Amy K. Liang


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Amy K. Liang is an intellectual property lawyer who focuses her practice primarily on patent and technology-related litigation. Amy has experience in all stages of litigation, including claim construction, fact and expert discovery, summary judgment, trial, post-trial, and appeal. She also has experience in inter partes review proceedings representing patent owners and patent challengers. Amy also advises clients regarding intellectual property licensing and pre-litigation disputes.

Amy has experience in a number of technical areas including chip packages, semiconductor processing, chemical mechanical planarization, video compression, networking, digital watermarking, standards-essential telecommunications, and automotive technologies.

Amy has worked on multiple pro bono cases representing clients in civil rights matters.


Bar Admissions

  • California

Court Admissions

  • US Court of Appeals for the Ninth Circuit
  • US District Court for Central District of California and the Eastern District of Texas

Registered to Practice

  • US Patent & Trademark Office


  • Columbia Law School, J.D., 2013: Journal: Science and Technology Law Review
  • Brown University, B.S., Materials Science and Engineering, 2010

Professional Activities


  • United States Patent and Trademark Office, Patent Examiner Extern, Chemical Arts (2011)


  • Co-Leader of SF Women Attorneys Lean in Circle; APABA Silicon Valley - Women in Law Committee
  • Asian Pacific American Bar Association of Silicon Valley


  • “The Return of the Plague: Inequitable Conduct after Regeneron v Merus,Santa Clara High Technology Law Journal (May 2018)
  • “The Potential Impact of Life Tech v Promega,IP Reports (internal business publication) (August 2016)
  • “Patent Cases to Watch in 2016,” Inside Counsel (February 2016)


  • Certified Information Privacy Professional (CIPP/US) (International Association of Privacy Professionals (IAPP))
  • Defended international electronics company in district court and appeal regarding license relating to chip packaging patents; prevailed on summary judgment relating to contract interpretation (N.D. Cal.; 9th Cir.)
  • Defended consumer electronics company in district court regarding smart kitchen products (W.D. Wa.)
  • Defended cloud communications company in multiple district court and inter partes review proceedings over patents relating to APIs for communications platforms (N.D.Cal.; PTAB)
  • Represented TV analytics company in competitor suit asserting two patents (E.D. Tex.; N.D. Cal.)
  • Represented Silicon Valley electronics company at trial regarding power supply devices; jury awarded full damages requested (N.D. Cal.)
  • Represented prisoner in §1983 pro bono case involving sexual assault.