Since a legal insurer/legal plan was involved, start by contacting the plan. Most legal plans will assist you with a billing dispute with their attorneys, and in most legal plans the attorney has contractually agreed to cooperate with them. So that may help.
If that does not, contact the state bar of Georgia's fee arbitration panel. They will hear both sides, make a decision, and, if the decision is in your favor, will assist in enforcing it.
Since a legal insurer/legal plan was involved, start by contacting the plan. Most legal plans will assist you with a billing dispute with their attorneys, and in most legal plans the attorney has contractually agreed to cooperate with them. So that may help.
If that does not, contact the state bar of Georgia's fee arbitration panel. They will hear both sides, make a decision, and, if the decision is in your favor, will assist in enforcing it.