Okla. Stat. tit. 5, § 5-4: Receipt of money for client - Discharge of claim -

Acknowledging satisfaction of judgment.

An attorney and counselor has power to receive money claimed by

his client in an action or proceeding during the pendency thereof,

or afterwards, unless he has been previously discharged by his

client, and, upon payment thereof, and not otherwise, to discharge

the claim or acknowledge satisfaction of the judgment.