David I Berl

Partner, Williams & Connolly

David I Berl’s practice focuses on patent litigation, principally in the biotechnology, pharmaceutical, energy and electronics fields. Mr Berl has served as lead counsel in Hatch-Waxman trials, appellate proceedings in the Court of Appeals for the Federal Circuit and inter partes review proceedings before the United States Patent and Trademark Office. He regularly serves as lead counsel to major corporations in significant patent litigations and has tried numerous patent cases that have resulted in verdicts favourable to his clients. Mr Berl was selected as a leading patent litigation attorney in the 2014 to 2018 editions of IAM Patent 1000.