Kathryn Leicht

Associate New York
Kathryn Leicht
Kathryn Leicht is an associate in Weil’s Patent Litigation practice in New York. She has experience litigating patent disputes in U.S. district courts, the U.S. International Trade Commission, and the U.S. Court of Appeals for the Federal Circuit. She also has experience in inter partes review and post-grant review proceedings before the Patent Trial and Appeal Board.

Kathryn focuses on patent litigation involving a wide variety of technologies including DNA sequencing, pharmaceuticals, telecommunications, and e-vapor products.

Kathryn has been a member of six trial teams litigating patent disputes in U.S. district courts and the U.S. International Trade Commission. Kathryn’s experience includes serving on Weil teams representing Illumina in winning a November 2021 jury verdict of willful infringement against BGI in a competitor patent dispute regarding DNA sequencing technologies and Altria in winning a $95 million jury verdict in September 2022 in a patent infringement action relating to e-vapor products.

Kathryn previously worked as a research scientist at a medical diagnostics company. She received her J.D. from New York University School of Law and her B.S. in chemistry from the University of Missouri–Columbia. Kathryn is licensed to practice before the U.S. Patent and Trademark Office. She is also admitted to practice before the New York State Bar.