Weil, Gotshal & Manges LLP

Elizabeth S Weiswasser

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Elizabeth S. Weiswasser is the Co-Head of Weil’s global Patent Litigation and Life Sciences practices, with more than twenty-five years of experience in both fields. She is lead counsel on behalf of some of the most sophisticated pharmaceutical, biotechnology, and medical device companies in the world, and is known for her ability to marry deep scientific and patent law expertise, for achieving excellent results in federal court litigation and IPR proceedings before the U.S. Patent Office, and for her counseling in the space.

Ms. Weiswasser has received wide recognition from clients, her peers, and the broader life sciences industry as a leader in the life sciences and patent litigation fields, and particularly as one of the top women in the profession. She is a former law clerk to Judge Alan D. Lourie of the U.S. Court of Appeals for the Federal Circuit, and served as an Adjunct Professor of Law at NYU Law School, where she taught Biotechnology/Life Sciences Patent Law. She is licensed to practice before the Patent and Trademark Office.


Education: Northwestern University (BA); University of Chicago Law School (JD)