Life Sciences and Pharma IP Litigation 2025

USA Law and Practice Contributed by: Jim Hurst, Jeanna Wacker, Sam Kwon and Ashley Ross, Kirkland & Ellis

Kirkland & Ellis has a patent litigation prac - tice comprising approximately 220 attorneys in London, Austin, Boston, Chicago, Houston, Los Angeles, New York, Palo Alto, Salt Lake City, San Francisco and Washington, DC. Near - ly 75% of Kirkland’s patent litigation attorneys are engineers and scientists, who are trained in a variety of technical disciplines. The firm’s attorneys have extensive experience of phar -

maceutical and biologics patent litigation, co- ordinating global IP disputes, post-grant pro - ceedings before the US Patent and Trademark Office’s Patent Trial and Appeal Board. In addi - tion, Kirkland’s lawyers have taken part in ap - peals of high-stakes cases before the US Court of Appeals for the Federal Circuit and the US Supreme Court, the Court of Appeal of England and Wales, and the UK Supreme Court.

Authors

Jim Hurst is a nationally recognised trial lawyer who serves on Kirkland & Ellis’ executive committee. He has been trying cases for more than 30 years and has argued dozens

Jeanna Wacker is a partner in Kirkland & Ellis’ New York office. She is an experienced trial lawyer and concentrates her practice on patent litigation in the life sciences field. Jeanna

of appeals, including before the US Supreme Court. Jim has represented numerous life sciences clients in matters involving pharmaceutical drugs, biologic drugs, diagnostic products and vaccines. He has significant experience representing clients in matters related to Abbreviated New Drug Applications (ANDA) and the Biologics Price Competition and Innovation Act (BPCIA). Jim is ranked as a Band 1 National Trial Lawyer by Chambers and he is a fellow of the American College of Trial Lawyers.

has extensive experience assisting clients in the pharmaceutical, biotechnology, chemical and medical device industries, where she has represented both plaintiffs and defendants at all stages of litigation, including trials (bench and jury) and appeal. She also has experience in inter partes reviews before the United States Patent and Trademark Office. Jeanna has a degree in biochemistry, genetics and cell biology.

Sam Kwon is an IP litigation partner in Kirkland & Ellis’ New York office. His practice focuses on patent litigation in a variety of life sciences fields, including medical devices, pharmaceutical

and biologic products and biotechnology. He has significant experience representing clients in Hatch-Waxman patent infringement litigation. Sam has a degree in chemical engineering.

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