Darryl M. Woo

Darryl M. Woo


Recognized since 2009

San Francisco, California

Practice Areas

Litigation - Intellectual Property

Patent Law

Technology Law

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Darryl Woo is a veteran trial lawyer who has successfully tried numerous cases to verdict, and concentrates his practice on patent litigation and other complex technology litigation, principally in the areas of semiconductors, information technology, life sciences and biotechnology. He has appeared as lead counsel in patent litigation across the country, including the ITC, dealing with technologies ranging from software to semiconductor fab equipment, materials chemistry, voice over IP, fiber optic networking, bio assays, diagnostic tools, medical devices, pharmaceuticals, and recombinant DNA. In addition, Darryl has represented a range of clients in copyright, trademark and trade dress infringement cases, trade secret and licensing disputes, unfair competition, trade libel, false advertising, and other complex litigation. Darryl has been named to The Best Lawyers in America©, one of the Top 100 Leading Lawyers in California in 2007, a Top 75 IP Lawyer in California in 2014, and to the IAM Patent 1000 list of The World’s Leading Patent Practitioners from 2013–2016. Darryl serves as Co-Chair of the Intellectual Property practice of Vinson & Elkins LLP.

  • Three Embarcadero Center, 28th Floor
    San Francisco, CA 94111
  • Georgetown University, J.D., graduated 1981

Headquarters: Boston, Massachusetts

154 The Best Lawyers in America® awards

151 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2024 for work in:
  • Litigation - Intellectual Property
  • Patent Law
  • Technology Law
Special Focus:
  • Litigation
  • Patent
Additional Areas of Practice:
  • Copyright Law
  • Litigation - Patent
  • Trade Secrets Law
  • Trademark Law


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