David P. Mattern is an associate with the Contracts and Business Torts practice group in Washington, D.C. His practice focuses on complex litigation and intellectual property matters.
He has represented clients at the trial and appellate levels and before the Department of Justice. He has drafted briefs and motions on subjects including the Copyright Act, the Lanham Act, the False Claims Act and licensing for standard-essential patents.
David recently participated in the merits-stage representation of an individual challenging his criminal conviction before the Supreme Court of the U.S. In addition, he represents veterans in connection with appeals to their disability determinations.
David graduated from Columbia Law School in 2013, where he was a James Kent scholar, the Director of the Harlan Fiske Stone Honors Moot Court Competition, and the Head Articles Editor of The Columbia Journal of European Law.