William Gaede - McDermott Will & Emery


William (Bill) Gaede focuses his practice on intellectual property litigation in the life sciences and medical device industries. Bill serves as lead counsel for a wide range of companies and research institutes and has extensive experience in litigating life science technologies such as antibodies, proteins, small molecules and diagnostics. In addition to his jury trial experience, Bill has argued before the US Circuit Court of Appeals for the Federal Circuit. He further provides risk management guidance on freedom to operate issues.

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  • Defeated Sanofi’s and Regeneron’s efforts to declare Amgen’s patents, covering a new class of cholesterol lowering anti-PCSK9 antibodies, invalid in this closely-watched competitor case; secured a sweeping jury verdict after a one week jury trial (Amgen Inc. v. Sanofi, Regeneron Pharmaceuticals, et al.)
  • Represented Depomed in protecting its flagship pharmaceutical product Gralise® in Hatch-Waxman litigation initiated by six generic drug companies, five of which withdrew their attempt to market a generic drug of Gralise® or settled on terms that secured the market until January 1, 2024; Depomed and remaining entity, Actavis, went to trial, where a sweeping victory was secured for Depomed, finding infringement on all patents and upholding the validity on all asserted patents (Depomed v. Actavis, et al.)

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  • Legal 500 US, 2021-2024
  • Daily Journal, Top Intellectual Property Lawyer, 2016, 2024
  • LMG Life Sciences, General Patent Litigator of the Year – California, 2023
  • LMG Life Sciences, Leading Life Sciences Lawyer, 2021-2022
  • IAM Patent 1000 – The World’s Leading Patent Practitioners, 2013-2024
  • The Best Lawyers in America, Biotechnology and Life Sciences (2007-2024), Litigation – Intellectual Property (2011 to 2024), Patent Law (2011-2024)
  • The Best Lawyers in America, Biotechnology Law “Lawyer of the Year” (2017 and 2024), Patent Law “Lawyer of the Year” (2019)

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  • Association of Business Trial Lawyers
  • San Francisco Bar Association


University of California – Hastings College of Law, JD, cum laude, 1988
Pitzer College, BA, 1985


Courts / Agencies
US Court of Appeals for the Federal Circuit
US Court of Appeals for the Ninth Circuit
US District Court for the Northern District of California

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