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Naylor Farms v. Chaparral Energy, 17-6146 (2019)

Court: Court of Appeals for the Tenth Circuit Number: 17-6146 Visitors: 49
Filed: May 03, 2019
Latest Update: Mar. 03, 2020
Summary: FILED United States Court of Appeals PUBLISH Tenth Circuit UNITED STATES COURT OF APPEALS May 3, 2019 Elisabeth A. Shumaker FOR THE TENTH CIRCUIT Clerk of Court _ NAYLOR FARMS, INC.; HARREL’S LLC, Plaintiffs - Appellees, v. No. 17-6146 CHAPARRAL ENERGY, LLC, Defendant – Appellant, _ BLACK STONE MINERALS COMPANY, L.P., Amicus Curiae. _ Appeal from the United States District Court for the Western District of Oklahoma (D.C. No. 5:11-CV-00634-HE) _ Anthony J. Shaheen, Holland & Hart LLP, Denver, Col
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                                                                                FILED
                                                                    United States Court of Appeals
                                      PUBLISH                               Tenth Circuit

                      UNITED STATES COURT OF APPEALS                         May 3, 2019

                                                                        Elisabeth A. Shumaker
                            FOR THE TENTH CIRCUIT                           Clerk of Court
                         _________________________________

 NAYLOR FARMS, INC.; HARREL’S
 LLC,

       Plaintiffs - Appellees,

 v.                                                         No. 17-6146

 CHAPARRAL ENERGY, LLC,

       Defendant – Appellant,

 _____________________

 BLACK STONE MINERALS
 COMPANY, L.P.,

       Amicus Curiae.
                        _________________________________

                     Appeal from the United States District Court
                        for the Western District of Oklahoma
                            (D.C. No. 5:11-CV-00634-HE)
                       _________________________________

Anthony J. Shaheen, Holland & Hart LLP, Denver, Colorado (Christopher A. Chrisman
and Jessica M. Schmidt, Holland & Hart LLP, Denver, Colorado; Linda J. Byford,
Chaparral Energy, LLC, Oklahoma City, Oklahoma; John J. Griffin, Jr., Harvey D. Ellis,
Jr., and Charles V. Knutter, Crowe & Dunlevy, Oklahoma City, Oklahoma, with him on
the briefs), for Defendant-Appellant Chaparral Energy, LLC.

Conner L. Helms (Gary R. Underwood and Erin M. Moore, with him on the brief), Helms
Underwood & Cook, Oklahoma City, Oklahoma, for Plaintiffs-Appellees Naylor Farms,
Inc. and Harrel’s LLC.
Daniel H. Charest and Warren T. Burns, Burns Charest LLP, Dallas, Texas, filed an
amicus curiae brief for Black Stone Minerals Company, L.P. in support of Plaintiffs-
Appellees Naylor Farms, Inc. and Harrel’s L.L.C.
                        _________________________________

Before MORITZ, MURPHY, and EID, Circuit Judges.
                 _________________________________

MORITZ, Circuit Judge.
                    _________________________________

      Defendant Chaparral Energy, L.L.C. (Chaparral) operates approximately 2,500

oil and gas wells in Oklahoma. Plaintiffs Naylor Farms, Inc. and Harrel’s, L.L.C.

(collectively, Naylor Farms) have royalty interests in some of those wells. As a

result, Naylor Farms receives a portion of the proceeds those wells generate. But

according to Naylor Farms, Chaparral systematically underpaid Naylor Farms and

other similarly situated royalty owners by improperly deducting from their royalty

payments certain gas-treatment costs—costs that Naylor Farms says Chaparral was

required to shoulder under Oklahoma law. Thus, Naylor Farms brought a putative

class-action lawsuit against Chaparral and moved to certify the class under Rule 23

of the Federal Rules of Civil Procedure. The district court granted Naylor Farms’

motion to certify, and Chaparral now appeals the district court’s certification order.

For the reasons discussed below, we affirm.

                                     Background

      Under Oklahoma law, lessees like Chaparral are subject to an implied duty of

marketability (IDM).1 The IDM imposes upon lessees “a duty to provide a


      1
          The parties agree that Oklahoma substantive law controls.
                                           2
marketable product available to market.” Mittelstaedt v. Santa Fe Minerals, Inc., 
954 P.2d 1203
, 1206 (Okla. 1998). Consistent with this duty, lessees are generally

precluded from passing along to royalty owners any costs the lessees incur in making

a product marketable. See 
id. at 1208.
And because “raw or unprocessed gas” must

typically “undergo[] certain field processes”—such as gathering, compressing,

dehydrating, transporting, and producing (GCDTP services)—to make the gas

marketable, lessees generally bear the costs associated with performing such services.

Id. at 1205,
1208.

      Citing the IDM, Naylor Farms brought a putative class-action lawsuit against

Chaparral, asserting claims for breach of contract, breach of fiduciary duty, fraud,

unjust enrichment, and failure to produce in paying quantities. As relevant here,

Naylor Farms’ complaint alleges that Chaparral breached the IDM by improperly

deducting GCDTP-service costs from the royalty payments Chaparral made to Naylor

Farms and to other similarly-situated royalty owners. More specifically, Naylor

Farms contends that in an attempt to circumvent the IDM, Chaparral enters into

wellhead sales contracts with midstream processing companies. Under the terms of

those contracts, the midstream companies acquire title or possession of unprocessed

gas at or near the wellhead.2 Yet according to Naylor Farms, the midstream


      2
        The contracts fall into two categories: percentage-of-proceeds (POP)
contracts and percentage-of-liquids (POL) contracts. The vast majority of the
contracts at issue are POP contracts. Under a POP contract, the midstream processing
company takes possession of the entire gas stream, processes the gas, sells it to a
downstream purchaser, and then pays Chaparral a percentage of the resulting
proceeds. Under a POL contract, the midstream processing company obtains
                                           3
companies don’t actually pay Chaparral for the gas at this time. Instead, the

midstream companies first perform certain GCDTP services and then sell the treated

gas to downstream purchasers.

      At that point, Naylor Farms asserts, the midstream companies (1) take the

gross proceeds they receive from the downstream sales; (2) deduct from those gross

proceeds the costs and fees associated with performing the GCDTP services;3 and

(3) pay Chaparral for the gas they previously acquired at the wellhead by giving

Chaparral the resulting net proceeds. Chaparral then calculates royalty payments

based on the net proceeds it receives from the midstream companies, rather than

calculating royalty payments based on the gross proceeds the midstream companies

receive from the downstream sales. And in doing so, Naylor Farms alleges, Chaparral

impermissibly “requires royalty owners to bear the costs of transforming unprocessed

gas into a marketable product,” thus violating the IDM. 
Id. at 13.
      Based on this theory of liability, Naylor Farms moved to certify a class

comprising it and other similarly situated royalty owners.4 In relevant part, Naylor



(1) possession of and title to the natural gas liquids (NGLs) and (2) possession of
(but not title to) the residue gas at the wellhead. Chaparral retains title to the residue
gas, which the midstream processing company returns to Chaparral after performing
certain GCDTP services. The midstream processing company then charges Chaparral
a fee for performing the GCDTP services and also retains the NGLs.
       3
         Under a POL contract, the midstream processing company charges a fee and
retains the NGLs.
       4
         After Naylor Farms moved to certify, Chaparral filed for bankruptcy. The
bankruptcy court initially imposed an automatic stay on the underlying proceedings.
But it then partially lifted that stay so the district court could rule on Naylor Farms’
motion to certify.
                                            4
Farms argued that certification was appropriate under Rule 23 because (1) whether

Chaparral breached the IDM is a common question, see Fed. R. Civ. P. 23(a)(2); and

(2) this and other common questions predominate over any individual ones, see Fed.

R. Civ. P. 23(b)(3).

      In response, Chaparral asserted that whether it breached the IDM isn’t a

common question because a jury won’t be able to answer it without first assessing

“individualized issues, including the obligation created by each” individual lease

“and the gas produced from each” individual well. App. vol. 2, 410. Further,

Chaparral asserted, these individual questions about lease language and gas quality,

as well as individual questions about damages, predominate over any common

questions Naylor Farms might identify. Thus, Chaparral argued, Naylor Farms cannot

satisfy Rule 23’s certification requirements.

      The district court disagreed and concluded that certification was appropriate.

As an initial matter, the court ruled that Naylor Farms identified at least one common

question: whether Chaparral breached the IDM. The district court then rejected

Chaparral’s arguments that answering this common question will require an

individualized assessment of either the language that appears in each lease or the

quality of the gas that comes from each well. Next, the district court ruled that

common questions, including whether Chaparral breached the IDM, predominate

over any individual ones. Ultimately, after addressing Rule 23’s remaining




                                           5
requirements, the district court granted Naylor Farms’ motion to certify.5 Chaparral

now appeals the district court’s class-certification order.

                                        Analysis

      According to Chaparral, the district court erred in certifying the class under

Rule 23. In support, Chaparral advances three discrete arguments. It first asserts the

district court erred in failing to recognize that marketability constitutes an individual

question—one that necessarily predominates over any common ones in this litigation.

It next contends the district court erred in rejecting Chaparral’s argument that

distinctions in lease language also give rise to individual questions, and that those

individual questions likewise predominate. Finally, it insists the district court erred in

failing to recognize that in the absence of evidence indicating Chaparral employs a

uniform payment methodology, certification is inappropriate. We address each of

these arguments in turn.

I.    Marketability

      As discussed above, the cornerstone of Naylor Farms’ class-action lawsuit is

its allegation that Chaparral breached the IDM by improperly saddling Naylor Farms

and other similarly situated royalty owners with certain gas-treatment costs.

      The parties agree that the success of this allegation turns in large part on when

the gas at issue became marketable. But they disagree about whether, in assessing

marketability, a jury will need to individually analyze the quality of gas that each


      5
         The district court excluded Naylor Farms’ fraud claim from the class-
certification order.
                                            6
well produced. And by extension, they also disagree about whether the attendant need

to conduct such an individualized assessment renders class certification

inappropriate.

       To resolve the parties’ disagreement on this point, we begin with an overview

of Oklahoma state law. We then discuss Rule 23’s certification requirements. Next,

we explain how the district court applied Rule 23 in the context of Naylor Farms’

state-law claims. Finally, we set forth the applicable standard of review and discuss

whether, considering that deferential standard, Chaparral’s marketability arguments

require us to reverse the district court’s class-certification order.

       A.     Oklahoma Law

       As discussed in more detail below, the ultimate issue before us in this appeal is

whether the district court abused its discretion in concluding that Naylor Farms

satisfied Rule 23’s certification requirements. See Vallario v. Vandehey, 
554 F.3d 1259
, 1264 (10th Cir. 2009). And this ultimate issue presents a question of federal

law. But that doesn’t doom Oklahoma law to irrelevancy. On the contrary, at the

heart of the parties’ Rule 23 dispute lies an intermediate state-law question: When is

gas marketable under Oklahoma law? Thus, we begin our discussion with an

overview of that law. Cf. Wal–Mart Stores, Inc. v. Dukes, 
564 U.S. 338
, 351 (2011)

(noting that Rule 23 analysis will often “overlap with the merits of the plaintiff’s

underlying claim”); CGC Holding Co., LLC v. Broad & Cassel, 
773 F.3d 1076
, 1087

(10th Cir. 2014) (explaining that Rule 23 inquiry requires “consideration of how the



                                             7
class intends to answer factual and legal questions to prove its claim” and thus “will

frequently entail some discussion of the claim itself”).

      To the extent we “are called upon to interpret state law” in resolving this

appeal, we begin by “look[ing] to the rulings of [Oklahoma’s] highest state court.”

Stickley v. State Farm Mut. Auto. Ins. Co., 
505 F.3d 1070
, 1077 (10th Cir. 2007)

(quoting Johnson v. Riddle, 
305 F.3d 1107
, 1118 (10th Cir. 2002)). It has been more

than two decades since the Oklahoma Supreme Court (OSC) has said anything

meaningful about marketability. See Mittelstaedt, 
954 P.2d 1203
. And neither party

suggests Mittelstaedt involved (or even contemplated, for that matter) the type of

wellhead sales contracts that Chaparral allegedly utilized here. Thus, in the absence

of any guidance from the OSC on the specific marketability questions before us in

this appeal, our task is “to predict how [the OSC] would rule” if it were to answer

those questions. 
Stickley, 505 F.3d at 1077
(quoting 
Johnson, 305 F.3d at 1118
). In

undertaking that task, we find certain aspects of Mittelstaedt relevant to, albeit not

dispositive of, the issues before us.

      In Mittelstaedt, the OSC began by explaining that the IDM imparts upon

lessees like Chaparral a duty “to provide a marketable product available to 
market.” 954 P.2d at 1208
. And as the OSC noted, “[i]t is common knowledge that raw or

unprocessed gas” must usually undergo one or more GCDTP services to make that

gas marketable.6 
Id. Thus, because
the costs of such GCDTP services are often


      6
        In Mittelstaedt, the OSC discussed “separation, dehydration, compression,
and treatment” but didn’t mention gathering or 
transporting. 954 P.2d at 1208
.
                                            8
“associated with” making gas marketable, the OSC explained that the IDM typically

precludes a lessee from “deducting a proportionate share” of those costs from royalty

payments. 
Id. at 1205.
But the OSC then recognized that a lessee may sometimes be

able to demonstrate that gas is “in a marketable form at the well[head].” 
Id. at 1208.
In that scenario, GCDTP services aren’t “necessary” to transform the already-

marketable gas into a marketable product. 
Id. at 1208.
Yet a lessee may nevertheless

opt to perform such services with an eye toward “enhancing” the value of the

“already[-]marketable” gas. 
Id. at 1210.
And when it does so, the OSC explained, the

cost of performing such GCDTP services “may be allocated to the royalty interests”

if the lessee can make certain additional showings. 
Id. We derive
two controlling principles from Mittelstaedt. First, Mittelstaedt

resolved that when unmarketable gas undergoes GCDTP services for the purpose of

transforming that unmarketable gas into a marketable product, the lessee must bear

the cost of the GCDTP services. Second, Mittelstaedt resolved that when marketable

gas undergoes GCDTP services to enhance the value of gas that is already

marketable, the lessee may, under certain circumstances, allocate the cost of the

GCDTP services to royalty holders.

      Yet Mittelstaedt left unresolved a whole host of other questions. The most

obvious are these: What does the term “marketable” mean, and what factors



Nevertheless, because neither party identifies any legally significant distinctions
between these services, we continue to use the term “GCDTP services” when
discussing Mittelstaedt.
                                           9
determine when, where, and if gas became marketable for purposes of applying

Mittelstaedt’s marketable-product rule?

      Notably, the OSC has declined at least two recent invitations to address these

questions. See Order Denying Certiorari, Whisenant v. Strat Land Expl. Co., No.

115,660 (Okla. Oct. 1, 2018); Order Denying Certiorari, Pummill v. Hancock Expl.

LLC, No. 114,703 (Okla. May 21, 2018). Further, the OSC declined one of these

invitations over the dissenting voices of two of its own members. See Dissent from

Order Denying Certiorari, Pummill, No. 114,703 (May 21, 2018) (Winchester, J.)

(noting that OSC “should grant certiorari to refine what constitutes a ‘marketable

product’ as that term is used in [Mittelstaedt]”).

      Nevertheless, the Oklahoma Court of Civil Appeals (OCOCA) has attempted

to fill the resulting legal vacuum, albeit with somewhat inconsistent outcomes. See

Whisenant v. Strat Land Expl. Co., 
429 P.3d 703
, 707, 708–10 (Okla. Civ. App.

2018) (recognizing that term “marketable product” isn’t susceptible to and has no

uniform definition, but then implicitly suggesting marketability always turns, at least

in part, on individual characteristics of gas at issue); Pummill v. Hancock Expl. LLC,

419 P.3d 1268
, 1278 (Oka. Civ. App. 2018) (indicating that in some cases, it may be

possible to answer marketability question based on characteristics of relevant market,

thus rendering individualized gas-quality assessment unnecessary).

      In Whisenant, for instance, the OCOCA held that the state trial court erred

when, in proceeding under Okla. Stat. Ann. tit. 12, § 2023(B)(3), it certified a class

of Oklahoma royalty owners who brought claims similar to those Naylor Farms

                                           10
advances here.7 
See 429 P.3d at 706
–07. Specifically, those royalty owners alleged

that the defendant, who operated several Oklahoma gas wells, breached the IDM by

calculating “royalties based on what it received from” a midstream processing

company, “rather than based on what” that midstream processing company “received

for the gas at the interstate (or intrastate) pipeline inlet.” 
Id. at 706.
       In reversing the district court’s certification order, the Whisenant court

initially expressed its view that the OSC has, “for good reasons,” declined to “define

the meaning of ‘marketable product,’” opting instead to leave the marketability

question “open to resolution on a case-by-case basis.” 
Whisenant 429 P.3d at 708
(quoting 
Mittelstaedt, 954 P.2d at 1208
). Nevertheless, immediately after suggesting

that the concept of marketability isn’t susceptible to any uniform definition or test,

the Whisenant court indicated that the answer to the marketability question will

always turn, at least in part, on “the quality of [the] gas” at issue. 
Id. at 710–12.
Thus,

the Whisenant court reasoned, a “highly individualized and fact-intensive review of

each [class member’s] claim,” as informed by the quality of the gas at each

individual well, “would be necessary to determine if” the defendant in that case

breached the IDM. 
Id. at 707,
709–10 (quoting Strack v. Cont’l Res., Inc., 
405 P.3d 131
, 140 (Okla. Ct. Civ. App. 2017)).

       In Pummill, on the other hand, a different panel of the OCOCA indicated that,

in some circumstances, it may be possible to determine whether gas is marketable


       7
       Section 2023(B)(3) is Rule 23(b)(3)’s state-law counterpart. See 
Whisenant, 429 P.3d at 706
.
                                             11
without undertaking such a gas-quality assessment. In that case, the state trial court

ruled that the gas at issue wasn’t marketable “at or near the wellhead” and that

instead the gas only became marketable once it “reache[d] the tailgate of” a

midstream processing plant—i.e., once the midstream processing company completed

certain GCDTP services. 
Pummill, 419 P.3d at 1271
, 1276–78.

      In reaching that conclusion, the trial court focused not on a qualitative analysis

of the gas itself, but on evidence about “the market in which” the defendants (there,

the well operator and multiple lessees) “chose[] to participate.” 
Id. at 1270–71,
1278.

In particular, although the gas at issue was physically transferred to the midstream

processing company near the wellhead, the trial court concluded that the well

operator was “not in the wellhead market.” 
Id. at 1271,
1278. Instead, the trial court

reasoned, no “actual sale” occurred until the gas was “acceptable for transport in”

and capable of being “transferred into” high-pressure pipelines. 
Id. at 1278.
Thus, the

trial court deduced, the well operator was in the high-pressure pipeline market. And

because the gas wasn’t capable of being sold on the high-pressure pipeline market

until it was “compressed, treated, dehydrated, separated, and processed,” the trial

court ruled the gas wasn’t marketable until it underwent those services. 
Id. The Pummill
court affirmed. 
Id. at 1280.
In doing so, it expressly endorsed the

trial court’s method of “focus[ing] on” when the gas at issue was first capable of

being sold on “the market in which” the well operator “chose[] to participate”—there,

the high-pressure pipeline market. 
Id. at 1278.
And because the gas at issue wasn’t

capable of being sold on the high-pressure pipeline market until GCDTP services

                                           12
rendered the gas “acceptable for transport in high-pressure pipelines,” the OCOCA

agreed the gas wasn’t marketable until that point. 
Id. Thus, the
OCOCA held, the

IDM precluded the defendants from passing on to royalty owners the costs associated

with performing those GCTDP services. 
Id. at 1280.
      Notably, en route to affirming the trial court’s ruling, the OCOCA declined to

adopt Kansas’s rule that gas is marketable once it is “acceptable to a purchaser in a

good[-]faith transaction.” 
Id. at 1276
(quoting Fawcett v. Oil Producers, Inc., 
352 P.3d 1032
, 1034 (Kan. Ct. App. 2015)). And the OCOCA likewise rejected the

defendants’ related argument that “raw or minimally processed gas” becomes

marketable as soon as a “limited group of potential purchasers” is willing to

“purchase” that gas “for further processing and sale downstream.” 
Id. at 1277;
see

also 
id. at 1278
(explaining that “[e]vidence of hypothetical sales of raw product to a

limited group of potential purchasers to whom such gas would be acceptable[] does

not readily lend itself to a conclusion that the product being sold is ‘marketable’ in a

free and competitive market”). Instead, the Pummill court reasoned, gas becomes

marketable when it’s subject to an “actual sale.” 
Id. at 1278
(explaining that this

conclusion is “consistent with” OSC precedent describing “market value” of gas “as

being based on what [gas] will sell for, between a willing buyer and seller, in ‘a free

and open market’” (quoting Howell v. Texaco Inc., 
112 P.3d 1154
, 1159 (Okla.

2004))).

      The OCOCA’s 2018 decisions in Pummill and Whisenant illustrate what has

long been clear: although “it is easy to articulate [Mittelstaedt’s] marketable-product

                                           13
rule, application of it to a particular circumstance is difficult.” Foster v. Apache

Corp., 
285 F.R.D. 632
, 638 & n.14 (W.D. Okla. 2012). And for reasons we turn to

next, “[d]oing so in the class action context”—as the district court was required to

do here—is more difficult still. 
Id. at 638.
      B.     Rule 23’s Certification Requirements

      Rule 23 sets forth the requirements for class certification.8 See Wal–Mart

Stores, 
Inc., 564 U.S. at 345
. Only two of those requirements are at issue here: Rule

23(a)(2)’s commonality requirement and Rule 23(b)(3)’s predominance requirement.9

A plaintiff seeking class certification satisfies Rule 23(a)(2)’s commonality

requirement by demonstrating that “there are questions of law or fact common to the

class.” Fed. R. Civ. P. 23(a)(2). A plaintiff satisfies Rule 23(b)(3)’s related

predominance requirement by showing that “questions of law or fact common to

class members predominate over any questions affecting only individual members.”

Fed. R. Civ. P. 23(b)(3).


      8
         Rule 23’s requirements inform our analysis of each of the three discrete
arguments Chaparral presents on appeal. See infra Sections II, III.
       9
         Chaparral asserts that “Rule 23 includes an ‘implied requirement of
ascertainability’” and that Naylor Farms cannot satisfy this “implied requirement”
here. Aplt. Br. 14 (quoting Brecher v. Republic of Argentina, 
806 F.3d 22
, 24 (2d Cir.
2015)). But Chaparral fails to “cite the precise references in the record where” this
ascertainability argument “was raised and ruled on” below. 10th Cir. Rule 28.1(A).
And it also fails to make a case for plain error on appeal. Accordingly, we decline to
address this argument. See Richison v. Ernest Grp., Inc., 
634 F.3d 1123
, 1131 (10th
Cir. 2011); Harolds Stores, Inc. v. Dillard Dep’t Stores, Inc., 
82 F.3d 1533
, 1540 n.3
(10th Cir. 1996). Likewise, although Chaparral makes passing reference to Rule
23(a)(3)’s typicality requirement, see Aplt. Br. 23, 33, we find these “stray
sentences” insufficient to adequately brief any argument on this point. Eizember v.
Trammell, 
803 F.3d 1129
, 1141 (10th Cir. 2015).
                                           14
       Rule 23(a)(2)’s commonality requirement “is easy to misread.” Wal–Mart

Stores, 
Inc., 564 U.S. at 349
. It requires a plaintiff to do more than merely identify “a

common contention”; instead, that “common contention . . . must be of such a nature

that it is capable of classwide resolution—which means that determination of its truth

or falsity will resolve an issue that is central to the validity of each one of the claims

in one stroke.” 
Id. at 350.
In other words, the focus of Rule 23(a)(2)’s commonality

requirement is not so much on whether there exist common questions, but rather on

“the capacity of a classwide proceeding to generate common answers apt to drive the

resolution of the litigation.” 
Id. at 350
(quoting Richard A. Nagareda, Class

Certification in the Age of Aggregate Proof, 84 N.Y.U. L. Rev. 97, 132 (2009)).

       Rule 23(b)(3)’s predominance requirement is related to, albeit “more

demanding than,” Rule 23(a)(2)’s commonality requirement. Comcast Corp. v.

Behrend, 
569 U.S. 27
, 34 (2013). To satisfy Rule 23(b)(3), a plaintiff must “show

that common questions subject to generalized, classwide proof predominate over

individual questions.” CGC Holding 
Co., 773 F.3d at 1087
; see also Tyson Foods,

Inc. v. Bouaphakeo, 
136 S. Ct. 1036
, 1045 (2016) (“An individual question is one

where ‘members of a proposed class will need to present evidence that varies from

member to member,’ while a common question is one where ‘the same evidence will

suffice for each member to make a prima facie showing [or] the issue is susceptible

to generalized, class[]wide proof.’” (alteration in original) (quoting 2 William B.

Rubenstein et al., Newberg on Class Actions § 4:50 (5th ed. 2012))).



                                            15
       Notably, this doesn’t mean a plaintiff must show “that all of the elements of

the claim entail questions of fact and law that are common to the class” or “that the

answers to those common questions [are] dispositive” of the claim. CGC Holding

Co., 773 F.3d at 1087
. Instead, the predominance inquiry “asks whether the common,

aggregation-enabling[] issues in the case are more prevalent or important than the

non-common, aggregation-defeating, individual issues.” 
Id. (quoting Newberg
on

Class Actions § 4:49). Thus, to determine whether a plaintiff can satisfy Rule

23(b)(3)’s predominance requirement, a court must first “characterize the issues in

the case as common or not, and then weigh which issues predominate.” 
Id. (quoting Newberg
on Class Actions § 4:50). Critically, so long as at least one common issue

predominates, a plaintiff can satisfy Rule 23(b)(3)—even if there remain individual

issues, such as damages, that must be tried separately. Tyson Foods, 
Inc., 136 S. Ct. at 1045
.

       Having reviewed the relevant Rule 23 requirements and examined Oklahoma’s

treatment of the marketability question, we next explain how the district court treated

the interplay between the former and the latter in ruling on Naylor Farms’ motion to

certify.

       C.    The District Court’s Ruling

       The district court found that Naylor Farms successfully identified at least one

common question: whether Chaparral breached the IDM.10 And the court then ruled


       10
         Chaparral contends the district court erred in concluding that the threshold
issue of whether each lease contains an IDM is “in and of itself” a common question.
                                          16
that this common question predominates over any individual ones.

      Critically, in doing so, the district court first narrowed the class to include only

those royalty owners whose leases contain clauses that are similar to the royalty

clauses (collectively, Mittelstaedt Clauses) the OSC considered in three cases:

(1) Mittelstaedt, (2) TXO Production Corp. v. State ex rel. Commissioners of Land

Office, 
903 P.2d 259
(Okla. 1995), and (3) Wood v. TXO Production Corp., 
854 P.2d 880
(Okla. 1993). Because the OSC has held that the language of these Mittelstaedt

Clauses “does not negate the IDM” and “is consistent with the marketable[-]product

rule,” the district court reasoned that—contrary to Chaparral’s arguments—any

remaining “variations in lease language” do not defeat commonality or

predominance. App. vol. 5, 1148, 1153.

      Next, the district court rejected Chaparral’s argument that in order to

determine whether Chaparral breached the IDM, a jury will have to engage in an


Aplt. Br. 11. As an initial matter, we disagree with the premise of this argument; at
most, it appears the district court treated the existence of the IDM “and its alleged
breach” as a compound common question. App. vol. 5, 1154 (emphasis added).

       In any event, even assuming the district court treated the existence of the IDM
as a standalone common question and even assuming it erred in doing so, the error
was harmless; the district court correctly concluded that whether Chaparral breached
the IDM is a common question. See Wal–Mart Stores, 
Inc., 564 U.S. at 350
(explaining that question is common for purposes of Rule 23(a)(2) if its answer “will
resolve an issue that is central to the validity of each one of the claims in one
stroke”); cf. Menocal v. GEO Grp., Inc., 
882 F.3d 905
, 916–17 (10th Cir.) (holding
that question of whether defendant’s policy violated federal statute constituted
common question), cert. denied, 
139 S. Ct. 143
(2018). Chaparral doesn’t seriously
argue otherwise. And when it comes to satisfying Rule 23(a)(2)’s commonality
requirement, the existence of this single common question “will do.” Wal–Mart
Stores, 
Inc., 564 U.S. at 359
.
                                           17
individualized “well-by-well analysis” to determine when the gas from each well

became marketable. 
Id. at 1149.
In rejecting this argument, the district court

acknowledged that gas quality might vary from well to well and that, as a result,

some gas might require more or different GCTDP services to become marketable

than other gas. But the district court explained that in order to determine whether

Chaparral breached the IDM, an individualized gas-quality analysis is nevertheless

“unnecessary” in this case because, as Naylor Farms demonstrated, all the gas at

issue “require[d]” at least one GCDTP service “to become marketable.” 
Id. at 1149,
1151, 1157.

       Thus, the district court appeared to recognize, differences in the precise

number and nature of GCDTP services required to make the gas from each well

marketable are relevant only to the post-breach question of damages. And because

Naylor Farms “provided evidence that [its] expert can determine damages on a

class[]wide basis through use of a model,” the district court ruled these distinctions

don’t defeat predominance. 
Id. at 1155.
Alternatively, the district court pointed out

that if necessary, it can divide the class into subclasses at a later date for purposes of

determining damages. See Fed. R. Civ. P. 23(c)(1)(C) (“An order that grants or

denies class certification may be altered or amended before final judgment.”), (c)(5)

(“When appropriate, a class may be divided into subclasses that are each treated as a

class under this rule.”). Accordingly, the district granted Naylor Farms’ motion to

certify.



                                            18
       D.     Our Standard of Review

       Our review of the district court’s decision is highly deferential. So long as the

district court “applied the proper standard in deciding whether to certify [the] class,

we may reverse that decision only for abuse of discretion.” CGC Holding 
Co., 773 F.3d at 1085
(quoting Adamson v. Bowen, 
855 F.2d 668
, 675 (10th Cir. 1988)); see

also 
Vallario, 554 F.3d at 1264
(“Because class certification decisions are necessarily

case specific, district courts possess significant latitude in deciding whether or not to

certify a class.” (citation omitted)). A “district court abuses its discretion when it

misapplies the Rule 23 factors—either through a clearly erroneous finding of fact or

an erroneous conclusion of law—in deciding whether class certification is

appropriate.” CGC Holding 
Co., 773 F.3d at 1085
–86.

       Here, Chaparral doesn’t argue that the district court failed to apply the proper

Rule 23 standard. Thus, in addressing those arguments Chaparral does make, we must

defer to the district court’s ruling unless Chaparral shows the district court’s

certification decision falls outside “the bounds of rationally available choices given

the facts and law involved in the matter at hand.” 
Id. at 1086
(quoting 
Vallario, 554 F.3d at 1264
). For the reasons discussed below, we conclude that Chaparral fails to

make this demanding showing.

       E.     Chaparral’s Marketability Arguments

       Chaparral’s primary argument on appeal is that the district court abused its

discretion in ruling that Naylor Farms demonstrated commonality and predominance

because such a ruling is irreconcilable with Oklahoma’s approach to determining

                                            19
marketability. Or, as Chaparral puts it, “Certifying a class of ‘Mittelstaedt Clause

[l]eases’ is contrary to Mittelstaedt.” Aplt. Br. 16.

       Recall that, under Mittelstaedt, two things are clear. First, when unmarketable

gas undergoes GCDTP services for purposes of transforming the unmarketable gas

into a marketable product, a lessee breaches the IDM by passing on to royalty owners

the cost of performing those GCDTP services. See 
Mittelstaedt, 954 P.2d at 1205
.

Second, when marketable gas undergoes GCDTP services to enhance the value of

gas that is already marketable, a lessee may, under certain circumstance, allocate the

cost of those services to royalty owners without breaching the IDM. 
Id. at 1210.
Thus, to determine whether Chaparral breached the IDM—i.e., to answer the question

the district court determined was common to the class for purposes of satisfying Rule

23(a)(2)’s commonality requirement—a jury will have to determine when the gas at

issue became marketable.

       Here, as Chaparral points out, the district court ruled that (1) the question of

when the gas became marketable can be answered via generalized, classwide proof

and (2) as a result, the marketability question doesn’t defeat predominance. See Fed.

R. Civ. P. 23(b)(3) (allowing for certification if common questions predominate over

individual ones); Tyson Foods, 
Inc., 136 S. Ct. at 1045
(“An individual question is

one where ‘members of a proposed class will need to present evidence that varies

from member to member,’ while a common question is one where ‘the same evidence

will suffice for each member to make a prima facie showing [or] the issue is



                                            20
susceptible to generalized, class[]wide proof.’” (first alteration in original) (quoting

Newberg on Class Actions § 4:50)).

      But according to Chaparral, the district court’s ruling on this point rests on a

flawed assumption. Specifically, Chaparral contends that in ruling a jury can answer

the marketability question without undertaking a well-by-well analysis, the district

court relied on the fact that all the gas at issue actually underwent GCDTP services.

And in so ruling, Chaparral argues, the district court made a legally erroneous

assumption: it incorrectly assumed that any time gas undergoes GCDTP services, this

proves, ipso facto, that the gas wasn’t marketable before it underwent those services.

      We agree with Chaparral that if the district court assumed GCDTP services

function solely as a mechanism for transforming unmarketable gas into a marketable

product, then the court committed a legal error. As Chaparral correctly points out,

Mittelstaedt expressly recognizes that sometimes even marketable gas undergoes

GCDTP services—not to “create a marketable product” but to “transform[] an

already[-]marketable product into an enhanced” one. 
Mittelstaedt, 954 P.2d at 1209
–

10; see also 
id. at 1208
(acknowledging that it’s possible for gas to “be in a

marketable form at the well[head],” i.e., before any GCDTP services are

performed).11 But we disagree with Chaparral that the district court ever assumed

otherwise.



      11
         In asserting that gas can be marketable at the wellhead, Chaparral appears to
rely in part on its position that the gas at issue here was in fact marketable at the
wellhead—because (according to Chaparral) that is where Chaparral first “sold” the
                                           21
      That is, contrary to Chaparral’s argument, the district court neither ruled nor

assumed “that gas must be unmarketable if it goes through a processing plant or

receives one or more of the GCDTP services.” Aplt. Br. 19. On the contrary, the

district court expressly recognized that the marketability question turns not on

whether the gas undergoes GCDTP services, but on whether the gas undergoes

GCDTP services “to become marketable.” App. vol. 5, 1151. Indeed, the district

court expressly relied on evidence indicating that all the gas at issue here “require[d]

GCDTP services to be made marketable” in order to distinguish the facts of this case

from those before this court in Wallace B. Roderick Revocable Living Trust v. XTO

Energy, Inc., 
725 F.3d 1213
(10th Cir. 2013); in that case, the district court pointed

out, some of the gas at issue “may [have been] marketable at the well.” App. vol. 5,

1146 (emphases added) (quoting 
Roderick, 725 F.3d at 1217
). Critically, in making

this distinction, the district court necessarily acknowledged both that (1) “gas may be

marketable at the well[head]” and (2) the performance of GCDTP services does not

prove, ipso facto, that the gas at issue was not marketable before those services were


gas “to a [midstream processing company] in a good[-]faith transaction.” Aplt. Br.
20; see also 
id. at 18
(“Gas is in marketable condition once it can be marketed.”).

        As an initial matter, we question whether the OSC would adopt this good-
faith-transaction test for marketability. See 
Pummill, 419 P.3d at 1278
–79
(suggesting good-faith-transaction approach is inconsistent with controlling OSC
authority). More importantly, as the district court noted below, accepting as true
Chaparral’s blanket assertion that all the gas at issue was marketable at the wellhead
because that is where Chaparral could first “market[]” it to midstream processing
companies, Aplt. Br. 18, would serve only to “demonstrate[]” commonality, not
“negate[]” it, App. vol. 5, 1149; such a blanket rule would obviate the need for any
individualized analysis of the gas from each well.
                                           22
performed. Id. (quoting 
Roderick, 725 F.3d at 1217
). Accordingly, we reject

Chaparral’s assertion that the district court assumed otherwise.

       Alternatively, Chaparral argues that the district court erred in treating

marketability as a question of law. Instead, Chaparral asserts, marketability is a

question of fact—one that turns, at least in part, on “gas quality.” Aplt. Br. 23. And it

further insists that because the quality of its gas varies from well to well, a jury will

be unable to resolve the marketability question (and, by extension, the question of

whether Chaparral breached the IDM) without performing a well-by-well analysis to

determine whether any of the gas at issue was marketable at the wellhead. Thus,

Chaparral insists, the district court abused its discretion in failing to recognize that

marketability defeats commonality and predominance.

       In evaluating this argument, we need not resolve whether the district court

treated marketability as a question of law or a question of fact. Nor must we resolve

whether, if the district court indeed treated marketability as a question of law, it erred

in doing so.12 Even assuming Chaparral is correct on both points, that doesn’t

necessarily mean Chaparral is entitled to reversal. On the contrary, “we may affirm

on any basis supported by the record, even if it requires ruling on arguments not

reached by the district court.” 
Richison, 634 F.3d at 1130
. That is, we have a

“preference for affirmance”—one that “follows from the deference we owe to the



       12
        We nevertheless note in passing that it appears Oklahoma indeed treats
marketability as question of fact. See, e.g., 
Whisenant, 429 P.3d at 708
n.6; 
Pummill, 419 P.3d at 1274
n.9.
                                            23
district courts and the judgments they reach, many times only after years of involved

and expensive proceedings.” 
Id. And “[b]ecause
of the cost and risk involved anytime

we upset a court’s reasoned judgment, we are ready to affirm whenever the record

allows it.” 
Id. Thus, to
demonstrate it is entitled to reversal, Chaparral must

“shoulder a heavy burden”: it “must come ready both to show” that the district court

erred and “to explain why no other grounds” will allow us to affirm the district

court’s decision. 
Id. For the
reasons discussed below, we conclude that in light of the

OCOCA’s persuasive reasoning in Pummill, Chaparral cannot shoulder the second

part of this heavy burden here. See West v. Am. Tel. & Tel. Co., 
311 U.S. 223
, 237

(1940) (explaining that decision of intermediate state appellate court “is a datum for

ascertaining state law [that] is not to be disregarded by a federal court unless it is

convinced by other persuasive data that the highest court of the state would decide

otherwise”).

       In Pummill, the OCOCA relied heavily on two factors in affirming the state

trial court’s ruling that the gas at issue wasn’t marketable before it underwent

GCTDP services. As an initial matter, the OCOCA pointed out that the first “actual

sale” of the gas occurred not when the defendants transferred the gas to a midstream

processing company, but instead “at the ‘tailgate’ of the [processing] plants, where

[the gas was] transferred into high-pressure 
lines.” 419 P.3d at 1277
–78. And the

OCOCA deduced from the location of this first “actual sale” that “the market in

which” the defendants “chose[] to participate” was the pipeline market, not the

wellhead market. 
Id. Second, the
OCOCA noted that the gas had to undergo GCDTP

                                            24
services to make it “acceptable for delivery” into the high-pressure pipelines. 
Id. at 1277.
Accordingly, the OCOCA concluded that the IDM precluded the defendants

from “deduct[ing] from [the plaintiffs’] royalties the proportionate expenses

associated with preparing the gas for sale” to such pipelines. 
Id. at 1280.
      Here, Naylor Farms has presented evidence of these same two factors. More

importantly, it has presented classwide evidence of these same two factors. See Tyson

Foods, 
Inc., 136 S. Ct. at 1045
(explaining that for purposes of Rule 23(b)(3), “a

common question is one where ‘the same evidence will suffice for each member to

make a prima facie showing [or] the issue is susceptible to generalized, class[]wide

proof’” (alteration in original) (quoting Newberg on Class Actions § 4:50)). First, the

record contains classwide evidence indicating that Chaparral, like the defendants in

Pummill, elects to participate in the high-pressure-pipeline market: according to

Naylor Farms’ expert, this is where Chaparral’s gas is actually “sold.” Aplt. Supp.

App. vol. 18, 5270; see also 
Pummill, 419 P.3d at 1278
(noting that pipeline market

was where first “actual sale” of gas occurred). Second, Naylor Farms’ expert opined

that, as a classwide matter, the gas at issue here—like the gas at issue in Pummill—

was required to undergo at least one GCDTP service before it could “reach” and be

“sold into” the pipeline market.13 Aplt. Supp. App. vol. 18, 5270–71; see also

Pummill, 419 P.3d at 1277
(concluding that gas wasn’t marketable on pipeline market


      13
         Notably, despite Chaparral’s insistence that a well-by-well analysis is
necessary to determine when the gas became marketable, Chaparral fails to point to
any evidence in the record indicating that such an individualized analysis would yield
a different conclusion.
                                           25
until it was “acceptable for delivery” into relevant pipelines); cf. 
Wood, 854 P.2d at 882
(explaining that IDM imposes “a duty to get the product to the place of sale in

marketable form” (emphasis added)).

      In short, the district court’s ruling that marketability is subject to classwide

proof under the specific facts of this case is entirely consistent with the OCOCA’s

decision in Pummill. Thus, Chaparral faces an uphill climb in attempting to show that

this particular ruling rests on an error of state law. See 
West, 311 U.S. at 237
. In

attempting to make that showing here, Chaparral relies heavily on the OCOCA’s

recent decision in Whisenant.

      In Whisenant, the OCOCA held that the state trial court erred in certifying a

class of Oklahoma royalty owners under Oklahoma’s analog to Rule 23, reasoning

that a “highly individualized and fact-intensive review of each [class member’s]

claim,” as informed by the quality of gas at each individual well, “would be

necessary to determine if” the defendant in that case breached the 
IDM. 429 P.3d at 707
–10 (quoting 
Strack, 405 P.3d at 140
)). Citing Whisenant, Chaparral insists that

under Oklahoma law, marketability can never be susceptible to classwide proof

because it will always require an individualized assessment of the gas produced by

each well. And to the extent the district court failed to recognize as much here,

Chaparral contends, the court made a legal error and thereby abused its discretion.

See CGC Holding 
Co., 773 F.3d at 1085
–86 (“The district court abuses its discretion

when it misapplies the Rule 23 factors—either through a clearly erroneous finding of



                                           26
fact or an erroneous conclusion of law—in deciding whether class certification is

appropriate.”).

      In light of Whisenant’s similar procedural posture, Chaparral’s argument isn’t

without appeal. But because that argument overlooks a critical aspect of Whisenant’s

analysis, we ultimately reject it. That is, the Whisenant court did hold that, in that

particular case, “determinations of the quality of gas and other facts pertinent to each

well” weren’t “susceptible to generalized 
proof.” 429 P.3d at 710
. But the Whisenant

court also expressly eschewed the type of rigid, one-size-fits-all approach to

marketability that Chaparral asks us to endorse here. Specifically, the Whisenant

court recognized that the OSC has declined to adopt a uniform test for determining

when gas becomes marketable, and that the OSC has instead “left the issue open to

resolution on a case-by-case 
basis.” 429 P.3d at 708
. And in recognizing as much, the

Whisenant court necessarily “left . . . open” the possibility that, in some cases, a

factfinder may be able to determine when gas became marketable without

undertaking an individualized inquiry into the quality of that gas. 
Id. Critically, the
facts in Pummill (and, by extension, the facts in this case) fit

comfortably in the space “left . . . open” by Whisenant. 
Id. Thus, despite
any tension

that might exist between Pummill and Whisenant, we rely on both—and “disregard[]”

neither—in predicting how the OSC would answer the marketability question before

us in this appeal. 
West, 311 U.S. at 237
. And in light of Pummill and Whisenant, we

predict the OSC would answer that question by holding that, under the facts of this

case, a jury could determine when the gas at issue became marketable without

                                           27
individually assessing the quality of that gas; instead, a jury could make this

determination based solely on expert testimony that all the gas at issue was required

to undergo at least one GCDTP service before it could “reach” and be “sold into” the

pipeline market. Aplt. Supp. App. vol. 18, 5270–71. See 
Whisenant, 429 P.3d at 708
(opining that OSC has intentionally and wisely “left the issue [of marketability] open

to resolution on a case-by-case basis”); 
Pummill, 419 P.3d at 1273
, 1278 (indicating

that in some cases, it may be possible to answer marketability question based on

characteristics of relevant market, thus rendering individualized gas-quality

assessment unnecessary). Accordingly, the district court didn’t abuse its discretion by

concluding that the marketability question in this particular case is subject to

common, classwide proof for purposes of satisfying Rule 23’s commonality and

predominance requirements. See Tyson Foods, 
Inc., 136 S. Ct. at 1045
; CGC Holding

Co., 773 F.3d at 1086
; 
Richison, 634 F.3d at 1130
.

II.    Lease Language

      Next, Chaparral asserts that even if gas-quality variations don’t pose a bar to

certification, lease-language variations do. Specifically, Chaparral asserts that “[a]t

trial, every one of the contracts will have to be considered individually, defeating

commonality and predominance.” Aplt. Br. 27–28. But the district court concluded

otherwise, ruling that its decision to limit the class to leases containing a Mittelstaedt

Clause renders such an individualized analysis unnecessary.14


      14
         Naylor Farms asserts we should take judicial notice of certain briefing in
Mittelstaedt because, according to Naylor Farms, that briefing sheds additional light
                                            28
       In challenging this conclusion, Chaparral first asserts the district court

abdicated its duty to determine which leases actually contain a Mittelstaedt Clause

and instead merely “satisfied itself with [Naylor Farms’] contentions” that this is so.

Id. at 28.
We disagree. As the district court noted, Naylor Farms prepared a chart that

“categorized” the leases at issue “by royalty[-]clause language.” App. vol. 5, 1143.

And we have previously indicated that this is precisely what a plaintiff should do to

establish commonality under these circumstances. See 
Roderick, 725 F.3d at 1219
.

       Like Naylor Farms, the plaintiffs in Roderick asserted that each class

member’s lease contained an IDM. 
Id. at 1218.
But neither the plaintiffs nor the

district court bothered to examine all the leases to verify this assertion. 
Id. at 1219.
Thus, this court recommended that on remand, the plaintiffs should consider

“creat[ing] a chart classifying lease types.” 
Id. And if
they did so, this court opined,

“the district court could” rely on that chart to “decide that no lease type negates the

IDM.” 
Id. Here, Naylor
Farms created such a chart. And contrary to Chaparral’s

assertions, the district court independently “confirmed that” the chart was “generally

accurate.” App. vol. 5, 1147. Notably, Chaparral doesn’t provide us with any

information that might call into question the district court’s assessment of the chart’s

accuracy. Instead, Chaparral merely asserts that because there exist distinctions


on the lease language at issue in Mittelstaedt as well as the arguments the parties
made about that language. Because we conclude we may resolve Chaparral’s lease-
language arguments without this additional information, we deny Naylor Farms’
motion to take judicial notice.
                                            29
between the facts in this case and the facts in TXO, 
903 P.2d 259
, and Wood, 
854 P.2d 880
—each of which involved a Mittelstaedt Clause—“the district court could

not” rely on these two cases to “determine as a matter of law whether” Chaparral

could “share[]” certain costs with royalty owners. Aplt. Br. 28–29. In particular,

Chaparral asserts that although the costs in TXO and Wood were incurred on the

leased premises, “[t]he costs here were incurred off-lease.” 
Id. at 28.
      Perhaps these “facts” will ultimately be relevant to the merits question of

whether Chaparral breached the IDM. 
Id. Perhaps not.
Either way, we fail to see how

they might be relevant to the question of whether, as a threshold matter, the class

leases contain an IDM. And the chart was designed to aid the district court in

answering the latter question, not the former one. See 
Roderick, 725 F.3d at 1218
(noting that chart could aid district court in determining whether “every class

member’s lease” contained IDM and, by extension, could help district court

determine whether plaintiff satisfied Rule 23(a)(2)’s commonality requirement).

      Here, Chaparral offers no further explanation regarding the relevance of these

“facts” vis-à-vis the district court’s Rule 23 inquiry. Aplt. Br. 28; see also Amgen

Inc. v. Conn. Ret. Plans & Tr. Funds, 
568 U.S. 455
, 466 (2013) (“Rule 23 grants

courts no license to engage in free-ranging merits inquiries at the certification stage.

Merits questions may be considered to the extent—but only to the extent—that they

are relevant to determining whether the Rule 23 prerequisites for class certification

are satisfied.”). Further, Chaparral’s position that all “[t]he costs here were incurred

off-lease” would tend to support the district court’s rulings on predominance and

                                           30
commonality, not undermine them. 
Id. at 28;
see also Tyson Foods, 
Inc., 136 S. Ct. at 1045
; Wal–Mart Stores, 
Inc., 564 U.S. at 350
. Accordingly, we decline to hold that

the district court abused its discretion by relying on Naylor Farms’ chart after

“confirm[ing] that” the chart was “generally accurate.” App. vol. 5, 1147.

      Chaparral’s remaining arguments about lease language rest on its assertions

that (1) the leases at issue contain multiple royalty provisions and (2) the interplay

between these royalty provisions renders the leases ambiguous. According to

Chaparral, this ambiguity would entitle Chaparral to present individualized extrinsic

evidence of “the intent of the parties and the meaning of the leases” at trial, including

“exhibits [and] interlineations” to each individual lease, as well as evidence about

industry customs in effect “when the various leases were executed.” Aplt. Br. 33–36.

      But as Naylor Farms points out, Chaparral didn’t advance this specific

extrinsic-evidence argument below as a basis for denying Naylor Farms’ motion to

certify the class. Instead, Chaparral merely asserted that, as a general matter,

“differences in royalty obligations” and lease language defeat commonality and

predominance.15 App. vol. 2, 411. Critically, our “rule against considering new

arguments on appeal applies equally when ‘a litigant changes to a new theory on

appeal that falls under the same general category as an argument presented at trial.’”


      15
         In its reply brief, Chaparral asserts for the first time that it raised an
extrinsic-evidence argument in its response to Naylor Farms’ motion for summary
judgment. We agree that Chaparral’s response to Naylor Farms’ summary-judgment
motion refers to what might be classified as extrinsic evidence. But we see no
argument there that the need to examine such evidence precludes certification. Nor
do we see any indication that the district court ever ruled on such an argument.
                                           31
United States v. Nelson, 
868 F.3d 885
, 891 n.4 (10th Cir. 2017) (quoting Lyons v.

Jefferson Bank & Tr., 
994 F.2d 716
, 722 (10th Cir. 1993)). Further, Chaparral fails to

argue for plain error on appeal. Accordingly, it has waived its extrinsic-evidence

argument. See 
Richison, 634 F.3d at 1131
.

      Alternatively, even assuming Chaparral preserved its extrinsic-evidence

argument below, it fails to adequately brief this argument on appeal. This is so

because Chaparral fails to identify any specific extrinsic evidence—in the form of an

exhibit, interlineation, or industry custom—that might allow a jury to conclude that

Chaparral breached the IDM as to one lease but not another. See Fed. R. App. P.

28(a)(8)(A) (requiring argument section of appellant’s brief to contain “appellant’s

contentions and the reasons for them, with citations to the authorities and parts of the

record on which the appellant relies”); Bronson v. Swensen, 
500 F.3d 1099
, 1104

(10th Cir. 2007) (explaining that we routinely decline to consider inadequately

briefed arguments). Accordingly, even assuming the district court erred, we see no

basis upon which to conclude the district court’s error prejudiced Chaparral. See

Shinseki v. Sanders, 
556 U.S. 396
, 410 (2009) (explaining that “the party seeking

reversal normally must explain why the erroneous ruling caused harm”). Thus, we

decline to reverse on this basis. And for the same reasons, we likewise decline to

reverse based on Chaparral’s assertion that even in the absence of any ambiguity in

the leases, a jury will be required to consider industry customs in effect “when the

various leases were executed” to determine whether Chaparral breached the terms of



                                           32
each individual lease. Aplt. Br. 36. Again, Chaparral neither identifies any particular

customs nor explains their legal relevance.

       In its final lease-language argument, Chaparral asserts that individual

variations in its agreements with midstream processing companies, rather than in its

agreements with Naylor Farms and other royalty owners, defeat commonality and

predominance. In support, Chaparral says Naylor Farms’ underlying legal theory is

that Chaparral committed fraud by using wellhead sales contracts to circumvent

Oklahoma law. And to evaluate this theory, Chaparral contends, a jury will have to

conduct an individualized inquiry to determine whether Chaparral entered into each

of those wellhead sales contracts in good faith.

       But this argument overlooks the fact that the district court declined to certify

Naylor Farms’ fraud claim. And Chaparral cites no authority indicating that whether

it entered into the wellhead sales contracts in good faith is dispositive of, or even

relevant to, the claims the district court did certify. Accordingly, we find this

argument inadequately briefed and decline to consider it as well. See Fed. R. App. P.

28(a)(8)(A); 
Bronson, 500 F.3d at 1104
. And we further conclude that Chaparral

therefore fails to demonstrate the district court abused its discretion in certifying the

class despite minor variations in lease language.

III.   Uniform Payment Methodology

       As a final matter, Chaparral asserts Naylor Farms failed to demonstrate that

Chaparral uses a uniform payment methodology to calculate royalty payments and



                                            33
that this “lack of a common payment methodology defeats class certification.” Aplt.

Br. 39.

       We have indeed explained that the existence of a uniform payment

methodology, standing alone, isn’t sufficient to establish predominance. See

Roderick, 725 F.3d at 1220
. But contrary to Chaparral’s assertion, we see nothing in

Roderick that indicates the existence of such a methodology is necessary to

accomplish this task. Accordingly, we reject this argument. And to the extent

Chaparral instead means to suggest that individual questions about damages defeat

predominance, we do not agree. “The fact that damages may have to be ascertained

on an individual basis is not, standing alone, sufficient to defeat class certification.”

Menocal, 882 F.3d at 922
(quoting 
Roderick, 725 F.3d at 1220
)). Instead, “material

differences in damages determinations” will only destroy predominance if those

“individualized issues will overwhelm . . . questions common to the class.” 
Roderick, 725 F.3d at 1220
.

       We see no indication that will occur here. On the contrary, as the district court

pointed out, Naylor Farms “provided evidence that [its] expert can determine

damages on a class[]wide basis through use of a model,” thus obviating the need for

individualized evidence. App. vol. 5, 1155; see also Tyson Foods, 
Inc., 136 S. Ct. at 1045
. And Chaparral fails to explain why that model is inaccurate or unworkable.

Further, the district court correctly noted that if necessary, it can later divide the class

into subclasses for purposes of determining damages. See Fed. R. Civ. P. 23(c)(1)(C),

(c)(5); Roderick, 
725 F.3d 1213
. Thus, the district court didn’t abuse its discretion in

                                            34
ruling that individual questions about damages don’t defeat predominance. See

Roderick, 
725 F.3d 1213
(“[T]he district court is in the best position to evaluate the

practical difficulties which inhere in the class action format, and is especially suited

to tailor the proceedings accordingly.”).

                                       Conclusion

       For the reasons discussed above, we conclude that Chaparral fails to

demonstrate the district court’s decision to certify the class falls outside “the bounds

of rationally available choices given the facts and law involved in the matter at

hand.” CGC Holding 
Co., 773 F.3d at 1086
(quoting 
Vallario, 554 F.3d at 1264
). We

therefore affirm the district court’s order.




                                               35

Source:  CourtListener

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