Welcome Pignato, Cooper, Kolker & Roberson P.C., is a full-service civil litigation firm, with our primary office in Oklahoma City, Oklahoma. We provide our clients - who range from individuals and small businesses, to self-insured groups and mainstream insurance companies - with unmatched zeal and dedication. At the same time, we recognize and appreciate the economical challenges inherent in today's litigation environment, and we, accordingly, are flexible to the demands of our clients. While our practice concentrates in the areas of complex insurance defense, insurance litigation, and professional negligence cases, we welcome any matter in which our litigation experience can be put to use for our clients.