Any person who is injured in his business or property by a violation of this act or because he refuses to accede to a proposal for an arrangement which, if consummated, would be in violation of this act, may bring a civil action in a court of competent jurisdiction in this state to enjoin further violations and to recover the damages sustained by him together with the costs of the suit, including a reasonable attorney's fee.
Okla. Stat. tit. 15, § 251