Kirkland & Ellis LLP

Nathan Mammen’s practice focuses on intellectual property trial and appellate litigation. He frequently represents clients and leads teams in “bet-the-company” complex intellectual property matters. He has experience in diverse technologies such as medical devices, radio-frequency identification, wireless communication, semiconductors, bio-technology and pharmaceuticals, and mechanical devices. Nathan is often sought for creative thinking and clear briefing.

He has successfully represented clients in numerous proceedings before the Patent Trial and Appeal Board, district courts, and the International Trade Commission, and international arbitrations. He also has extensive appellate experience and frequently represents clients in appeals before the U.S. Court of Appeals for the Federal Circuit. He is an experienced oral advocate who has argued before various state and federal appellate courts.

The George Washington University Law School J.D. with Honors 2004; Purdue University B.S.1999