F I L E D
                                                      United States Court of Appeals
                                                              Tenth Circuit
                UNITED STATES COURT OF APPEALS
                                                             APR 24 2003
                     FOR THE TENTH CIRCUIT
                                                         PATRICK FISHER
                                                                     Clerk

MICKEY D. ADAM; CARL
ALEXANDER; FLOYD W. ALLEN;
JACK L. ALLEN; JAY E. ANGLIN;
CHARLES E. ANNIS; PERRY R.
RABB; AUTHER DEWAYNE BARNES;
LARRY T. BARTON; K. B. BERGEN;
CHESTER BLACK; DAVID D.
BLACKBURN; BILL BLUE; S. T.
BOLDING; CLAUDE L.
BOLLENBACH; JERRY ZANE
BRITTAIN; BOBBY BURLESON;                    No. 02-6246
ROBERT L. BURCH; ED C. BURR;          D.C. No. CIV-01-418-M
GORDON W. CALERWOOD; JOSEPH         (Western District of Oklahoma)
E. CAMPBELL; JOE E. CANTRELL;
OLEN M. CARR; L. H. CHILDRISS;
MADISON H. CLINTON; JIM O.
COFFMAN; GERALD COLEMAN;
DON COMPTON; JOE DAVID COOK;
JOE COOKSON; ALLEN CORDER;
CHARLES D. CRABTREE; ROGER A.
CRANE; DELBERT L. CROUCH;
WALTER CROW; JIMMIE DAVID;
JONANN DAVIS; JOHN H. DAVIS;
QUTHER LEE DAVIS; QUINTON
DAVIS; JIMMY A. DOANE; MICHAEL
D. DUGGAN; JAMES R. DUNCAN;
WILLARD J. EDGE, SR.; WANDA
ELLIOTT; LUE E. ELLISON; FRANK
EVERETT; AMOS HENRY FARR;
KENNETH E. FERGARSON; DON
FIELDS; J. D. FILIPSKI; ROBERT E.
FOLTZ; JAMES C. FOX; FRANCIS
JAMES FRECHER; B. W. FREEMAN;
ARTHUR L. GARNER; JOE GIST;
ROBERT U. GLANDON; JOHN B.
GLATIAN; ALTON GRANT; JACK C.
GREEN; MONTE M. GREEN;
DONALD A. A. HALL; THOMAS M.
HAMILTON; J. W. HAMMANS;
RONNIE G. HAMMOCK; DON A.
HANLEY; JAMES E. HARDIN;
TOMMY J. HARRIS; MIKE
HARRISON; GEORGE HAUGEN;
KARL HELLEN; LARRY G. HENISEY;
DONALD R. HENLEY; JAMES R.
HENLEY; LARRY L. HILLYARD;
BILL HOLLARS; DON L. HOOD;
FRED HORN; L. D. HORSTKOETTER;
VIRGIL HOUSLEY; CURTIS D.
HUGGINS; ROBERT E. HURST;
DAVID IRWIN; DONALD M. JAMES;
STEPHEN J. JANTZ; MERLIN JOHNS;
PAUL N. JOHNSON; RONALD L.
JOHNSON; JAMES R. JONES; LEE R.
KEENER; LARENCE W. T. KELLY,
JR.; L. D. KIRK; JUANITA KIZZIAR;
ELMER R. KLEPPEL; RONALD G.
KNOX; SAMUEL F. LAFFOON;
KENNETH LANDES; TOM H.
LAVALLEY; WALTER LOY LEE;
FRED LEVALLEY; JIM E. LOWER;
JOHN MCBRIDE; CLIFFORD O.
MCCALL; RICHARD MCVAY; CLAY
C. MILLER; JERRY C. MILLER;
DOYLE MILLS; WILLARD MILLS;
CARL D. MORELAND; DANNY W.
MULLINS; DEAN P. NEAL; ROBERT
DALE NEELY; CHARLES D.
NEWTON; ANTHONY NICHOLS;
DOUGLAS A. NICHOLS; ROBERT L.
OARD; JIM D. PARKER; L. W.
PARKER; LIBERTY W. PARKER, JR.;
BOBBY R. PERRY; GARRY PIERCE;



                                    -2-
JOHNIE L. POTTS; DON D. POWELL;
DONNIE POWERS; DAVID D. PRUITT;
ROBERT L. QARD; JAMES T.
RANDOLPH; MICKEY R. RAYBURN;
THOMAS R. RICHARDSON; VERNON
L. RIDDLE; K. D. RISINGER; PAUL
ROARK; GLYNN R. ROBERTS;
ELMER L. ROBERTS; BILL D.
ROBINS; DANIEL PAUL ROBINS;
WOODROW F. ROBINSON; WILLIAM
L. ROGERS; HAROLD DEAN
ROLAND; JIM ROLLER; WILLIAM R.
ROSENTHAL; DON BERR ROUSH;
ARVIL G. RUDD; DON SANDS; DON
SAVAGE; L. DUTCH SCHNEIDER;
HARLEN T. SCOTT; BILL D. SHOBE;
HERMAN H. SKELTON; GLEN
SLAUGHTER; JOHN WAYNE
SMITH; KENNETH SOUTHARD;
JERRY STURGEON; NORMAN
TALLY; RUSSELL TAYLOR;
SEQUOYAH JOHN TAYLOR;
RONALD L. THOMAS; E. L.
THOMPSON; JACK TILLERY;
HOWARD TRIBBLE; CLYDE J.
TUCKER; WILLIAM J. TUCKER;
BILLY K. VILLINES; JAMES
EVERETT VILLINES; STEVEN R.
WAGNER; DONALD GENE
WALLACE; FRANK J. WARD; EARL
WARNER; JIM WASHBURN;
CHARLES W. WATKINS; ERNEST
L. WEEKS; CLYDE WELLS; ROBERT
WHEALEN; JAMES WHITE; ELMO
WILKERSON; CLAYTON C.
WILKINSON; JOE LEE WILLIAMS;
SAMMY WILLIAMSON; KENNETH
WOODRUM; T. J. YSBRAND;

          Plaintiffs - Appellants,

                                     -3-
 v.

 OKLAHOMA LAW ENFORCEMENT
 RETIREMENT BOARD, as set forth in
 Oklahoma Statutes Title 47 §§ 2-300 et
 seq.; ROY ROGERS; LINDA AKER;
 SCOTT BEHENNA; RENDA
 REESE-DAVIS; MICHAEL DIXON;
 JIM KING; JUNE KLAASSEN; KEITH
 LEIMBACH; JAN MILLER; JAMES
 PETE PETERSON; HARRY
 ROSENGRANTS; KEVIN WARD;
 PHILIP R. KEY, each board members in
 their official capacity only,

              Defendants - Appellees.




                             ORDER AND JUDGMENT*


Before EBEL, LUCERO, and O’BRIEN, Circuit Judges.



      After examining the briefs and appellate record, this panel has determined

unanimously that oral argument would not materially assist the determination of this

appeal. See Fed. R. App. P. 34(a)(2); 10th Cir. R. 34.1(G). The case is therefore ordered

submitted without oral argument.


      *
        This order and judgment is not binding precedent except under the doctrines of
law of the case, res judicata and collateral estoppel. The court generally disfavors the
citation of orders and judgments; nevertheless, an order and judgment may be cited under
the terms and conditions of 10th Cir. R. 36.3.


                                           -4-
       Mickey D. Adam, other retired Oklahoma Highway Patrolmen, and some surviving

spouses (“the Troopers”) appeal a decision of the district court dismissing their complaint

under FED. R. CIV. P. 12(b)(6) as barred by the statute of limitations. Exercising

jurisdiction under 28 U.S.C. § 1291 (2002), we conclude the issues raised are moot and

dismiss the appeal.1

       On March 8, 2001, the Troopers filed suit against the Oklahoma Law Enforcement

Retirement Board and board members (“Board”), claiming the Board, in calculating the

Troopers’ retirement benefits, violated their rights under the Oklahoma and U.S.

Constitutions. The Troopers requested injunctive and declaratory relief.2 When the

Troopers were hired, prior to July 1, 1980, Oklahoma law provided that after twenty years

of service they would be eligible to receive a retirement benefit, payable monthly,

calculated against one-half of the prevailing annual base trooper salary.3 On July 1, 1980,

an amendment to this provision took effect and applied to all troopers eligible for

retirement after the date of enactment.4 It altered the means of calculating the retirement

benefit, effectively lowering the monthly benefit as compared to the pre-1980 method of



       1
         For the same reason, we dismiss the Troopers’ appeal of the district court’s denial
of their FED. R. CIV. P. 59(e) motion to reconsider.

      Originally, the Troopers requested payment of unpaid retirement benefits, but later
       2

abandoned this claim without prejudice.

       OKLA. STAT. tit. 47, § 2-305 (1979).
       3



       OKLA. STAT. tit. 47, § 2-305(A) (July 1, 1980).
       4



                                             -5-
calculation. The Troopers challenged the application of this amendment to their

retirement benefits, which they claimed were vested before July 1, 1980. None of the

Troopers had retired prior to July 1, 1980.

       The district court concluded the Troopers’ cause of action arose on July 1, 1980,

the effective date of the challenged amendment. Because the Troopers’ complaint was

filed more than twenty years after this date, the district court dismissed the Troopers’ state

and federal constitutional claims as time-barred under the statute of limitations contained

in OKLA. STAT. tit. 12, § 95.

       As a preliminary matter, the Board argues this case is moot because the relevant

statutes were amended after the district court rendered its March 5, 2002 decision. We

review the issue of mootness de novo. Faustin v. City and County of Denver, 

, 947 (10th Cir. 2001). “Mootness is a threshold issue because the existence of a live

case or controversy is a constitutional prerequisite to federal court jurisdiction.”

McClendon v. City of Albuquerque, 

, 867 (10th Cir. 1996) (citation omitted).

See also 

.

       It has long been settled that a federal court has no authority to give opinions
       upon moot questions or abstract propositions, or to declare principles or
       rules of law which cannot affect the matter in issue in the case before it.
       For that reason, if an event occurs while a case is pending on appeal that
       makes it impossible for the court to grant any effectual relief whatever to a
       prevailing party, the appeal must be dismissed.

Church of Scientology of Cal. v. United States, 

, 12 (1992) (quotation marks

and citations omitted).

                                              -6-
       The Oklahoma Legislature amended OKLA. STAT. tit. 47, § 2-305 in its 2002

regular session.5 The amendment, which took effect July 1, 2002, effectively resolved the

Troopers’ complaints concerning future retirement benefits they claim are due, granting

the Troopers the relief they sought. This much the Troopers concede. However, the

Troopers urge us to declare the Board’s actions between July 1, 1980, and July 1, 2002, to

have been unconstitutional. This we cannot do. “When a party seeks only equitable

relief, as here, past exposure to alleged illegal conduct does not establish a present live

controversy if unaccompanied by any continuing present effects.” 

. A “plaintiff cannot maintain a declaratory or injunctive action unless he or she

can demonstrate a good chance of being likewise injured in the future.” Beattie v. United

States, 

, 1093 (10th Cir. 1991) (quotation marks and citation omitted). The

Troopers have made no such showing.

       Accordingly, we conclude the issues raised by the Troopers in their appeal are

moot, and DISMISS the appeal.



                                           Entered by the Court:

                                           TERRENCE L. O’BRIEN
                                           United States Circuit Judge




       5
        The amendatory language is found in re-numerated subsections C and D of OKLA.
STAT. tit. 47, § 2-305 (July 1, 2002).

                                             -7-