Okla. Stat. tit. 12, § 12-939
Attorney fees taxed as costs in actions for breach of an
express warranty.
In any civil action brought to recover damages for breach of an
express warranty or to enforce the terms of an express warranty made
under Section 2-313 of Title 12A of the Oklahoma Statutes, against
the seller, retailer, manufacturer, manufacturer's representative or
distributor, the prevailing party shall be allowed a reasonable
attorney fee to be set by the court, which shall be taxed and
collected as costs.