Jeannine Yoo Sano
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Jeannine Sano has more than twenty-five years of experience in litigating and trying intellectual property cases in patent venues across the country in mobile communications, video processing, graphics, operating systems, CPUs, chipsets, memory, LCD manufacturing, and medical devices.

She has tried cases in the Northern and Eastern Districts of Texas, Northern District of Illinois, Middle District of Florida, and the Northern District of California, in addition to handling investigations before the United States International Trade Commission, IPRs and CBMs before the United States Patent Trial and Appeal Board, and appeals before the Federal Circuit. Jeannine has also presented oral argument before the California Court of Appeal on an issue of first impression on the Uniform Trade Secrets Act, resulting in affirmance of summary judgment and an award of attorneys' fees.

Jeannine previously served as the Chair of the Patent Litigation Committee and the ITC Committee for the ABA IP Law Section, and as an Early Neutral Evaluator for the Northern District of California. She has been a guest instructor for Notre Dame Law School's trial advocacy program and a judge for the mock trial and patent law programs at Stanford Law School.

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Professional Activities

  • Stanford Alumni Association
  • Women Lawyers of the Eastern District of Texas Advisory Committee


  • World's Leading Patent Professionals 2015 - 2019, IAM Patent 1000 (Individual Silver Ranking)
  • IP Stars 2014 – 2019, Managing IP
  • Northern California SuperLawyers, Intellectual Property, 2004 - 2019, San Francisco Magazine
  • 2019 Women in Law, Award for "outstanding legal expertise and contribution in Intellectual Property," Lawyers Monthly
  • Top Women Attorneys in Northern California, 2018-2019, San Francisco Magazine
  • Top 50 Women Lawyers 2016, National Diversity Council
  • Top Intellectual Property Litigators 2014, Daily Journal
  • Top 250 Women in IP 2013, Managing IP
  • Client Service All-Star 2012, BTI Consulting
  • California, Intellectual Property (Band 3), 2008, Chambers USA
  • Top 75 Women Litigators 2007, Daily Journal
  • Prominent Alumni of the University of California Hastings College of the Law in 125 Years of California Law, Daily Journal


  • JD – University of California, Hastings College of Law (1994)
  • AB, with Honors, Human Biology – Stanford University (1989)


  • California
  • District of Columbia
  • New York
  • US Court of Appeals for the Federal Circuit
  • US District Court Central District of California
  • US District Court Eastern District of California
  • US District Court Northern District of California
  • US District Court Southern District of California
  • US District Court Northern District of Illinois
  • US District Court Eastern District of Texas
  • US Supreme Court