Douglas is a Principal in the Dallas office of McKool Smith. For more than thirty years, he has been engaged in the trial of complex cases, and he has handled major intellectual property matters throughout the United States and the world. Douglas was lead counsel in trials resulting in National Law Journal top 100 jury verdicts from 2007 to 2010. He is a member of the American Intellectual Property Law Association and the American Bar Association Section on Intellectual Property Law. Peers have named Douglas to the list of Texas Super Lawyers every year since 2003, and he is listed in the Best Lawyers in America for Intellectual Property Law.