Jeannine Yoo Sano
{ Bio Portrait }

Jeannine Sano has nearly thirty years of experience trying cases in patent venues across the country in various technology fields, including 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 in the ABA IP Law Section Leadership as Chair of the Patent Litigation Committee and Chair of the ITC Committee and was selected as an Early Neutral Evaluator for the Northern District of California. She has also 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
  • ITC Trial Lawyers Association
  • Federal Bar Association
  • ChIPs Silicon Valley/Texas Chapters

Representative Matters

• In the Matter of Certain UMTS and LTE Cellular Communication Modules and Products Containing Same
Final determination of no violation on behalf of Thales DIS AIS Deutschland, Thales DIS AIS USA, Thales USA, and Thales S.A. based on non-infringement and invalidity of all asserted patents involving UMTS/LTE standards and mobile communication modules

• Applied Materials v. Ocean Semiconductor (PTAB)
Final written decisions of unpatentability of all challenged claims in four IPRs

VideoShare v. YouTube et al. (Delaware)
Obtained judgment of invalidity of all asserted patents involving video uploading/publishing, affirmed by Federal Circuit

American Imaging Services v. Autodesk (N.D. Texas)
Complete defense jury verdict of non-infringement of all asserted claims and invalidity on all asserted grounds in patent litigation involving CAD software

In the Matter of Certain Liquid Crystal Display Devices, Including Monitors, Televisions, and Modules, and Components Thereof
Obtained final determination of no violation as to all patents asserted by Thomson (formerly Technicolor) on behalf of Respondents Chimei InnoLux, InnoLux, and Chi Mei Optoelectronics USA in Section 337 Investigation, affirmed by Federal Circuit

In the Matter of Certain Electronic Devices, Including Mobile Phones and Tablet Computers, and Components Thereof
Obtained initial determination of no violation as to intervened patents asserted by Nokia against HTC

In the Matter of Certain CMOS Active Pixel Image Sensors and Products Containing Same
Resolved 337 Investigation and corresponding district court litigation on behalf of Respondent OmniVision involving patents asserted by California Institute of Technology

Uniloc Luxembourg S.A. et al. v. et al. (E.D. Texas)
Obtained judgment of invalidity of digital streaming patent; affirmed by Federal Circuit

Coffelt v. NVIDIA et al. (C.D. California)
Obtained judgment of invalidity of computer graphics software patent and denial of Rule 59 motion, affirmed by Federal Circuit; plaintiff’s Cert Petition to Supreme Court denied

Walker Digital v. Google (Delaware; PTAB)
Obtained judgment of invalidity of all asserted patents accusing social networking products, plus award of all requested costs following contested motion

Microtune v. Broadcom (E.D. Texas) 
Resolved patent dispute involving RF tuners after jury verdict pending Federal Circuit appeal

Boston Univ. v. Lite-On et al. (D. Mass.)
Judgment following rejected Rule 68 offer that was fraction of plaintiff’s settlement demand (plaintiff’s cross-appeal dismissed as moot)

• Mobile Internet Technologies v. E-LOAN et al. (M.D. Florida)
Prevailed in bench trial in trade secret litigation involving on-line financing technology; plaintiff's appeal dismissed

• Audio DigitalImaging v. Samsung (N.D. Illinois)
Resolved dispute involving MPEG2 technology following bench trial

Target Therapeutics v. Micrus (California)
Obtained injunction in trade secret misappropriation action involving surgical coil for minimally invasive treatment of aneurysms

• Glue-Fold v. Slautterback et al. (California)
Obtained summary judgment plus award of attorneys’ fees in trade secret litigation involving adhesive manufacturing technology, affirmed on appeal


  • World's Leading Patent Professionals 2015 – 2023, IAM Patent 1000 
  • World’s Leading IP Strategists 2023, IAM Strategy 300
  • IP Stars 2014 – 2023, Managing IP
  • Benchmark Litigation – California Litigation Star: Intellectual Property (2022 – 2023) 
  • Northern California SuperLawyers, Intellectual Property, 2004 – 2023, San Francisco Magazine (0.3% of attorneys with 20th consecutive year recognition)
  • Named to The Recorder’s list of Women Leaders in Tech Law (2023)
  • Top Women Attorneys in Northern California, 2021 – 2022, San Francisco Magazine
  • Named to "Women Worth Watching 2020" by Profiles in Diversity Journal
  • Top Attorneys in Northern California 2020, 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
  • Intellectual Property, California (Band 3) 2008, Chambers USA

  • Top 75 Women Litigators 2007, Daily Journal
  • Member, Fellows of the American Bar Foundation (elected 2006)
  • Top 50 Women Lawyers 2004, California Super Lawyers
  • 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
  • Illinois
  • 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 Southern District of New York
  • US District Court Eastern District of Texas
  • US District Court Western District of Texas
  • US Court of Appeals for the Seventh Circuit
  • US Court of Appeals for the Ninth Circuit
  • US Court of Appeals for the Eleventh Circuit
  • US Court of Appeals for the Federal Circuit
  • US Supreme Court

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