Luann L. Simmons


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Luann Simmons, O’Melveny’s Regional Head of Litigation for Northern California, worked for several years as a software developer and software development manager before attending law school. At O’Melveny, Luann uses her strong background in physics and computer science to assist technology clients in the enforcement, defense and litigation of patent, trade secret, copyright, and other intellectual property rights.

The Daily Journal  recognized Luann as a “2021 Top Women Lawyer” and named Luann to its list of “Top Intellectual Property Lawyers in California” in 2014. The Recorder named her to its list of “Women Leaders in Tech Law” in 2017 and 2014. Luann’s other honors include recognition in the Profiles in Diversity Journal as one of its 2013 “Women Worth Watching” as well as being named a “Super Lawyer” in intellectual property litigation for several years in surveys conducted by Law & Politics Media Inc. Her work has been published in San Francisco Magazine and the Northern California edition of Super Lawyers.

Honors & Awards

  • Recognized by Chambers USA for Intellectual Property: Patent Litigation (2023)
  • Recognized as a California - Litigation Star in Intellectual Property by Benchmark Litigation (2023)
  • Recommended by The Legal 500 US for Trade Secrets (Litigation & Non-Contentious Matters) (2023)
  • Recognized as a “Top Women Lawyer,” The Daily Journal (2019, 2021)
  • Recognized by The Legal 500 US for General Commercial Disputes and Patents: Litigation (2020-2022)
  • Recognized by IAM Patent 1000 (2020-2023)
  • Recognized by Managing Intellectual Property as a “Rising Star” - Patent (2022)
  • Recognized as a Local Litigation Star and National Practice Area Star in Intellectual Property by Benchmark Litigation (2020-2023)
  • Recognized by Best Lawyers® for Litigation - Intellectual Property (2022-2024) and Copyright Law (2023-2024) in San Francisco, CA; Luann has been listed in Best Lawyers® since 2020
  • Named to the list of “Women Leaders in Tech Law,” The Recorder (2014, 2017)
  • Named as one of the “Top Intellectual Property Lawyers in California,” The Daily Journal (2014)
  • Recognized as a “Women Worth Watching,” Profiles in Diversity Journal (2013)
  • Consistently ranked as a “Super Lawyer” in Intellectual Property Litigation, Law & Politics Media Inc.


Bar Admissions

  • California

Court Admissions

  • US District Court, Northern, Eastern, and Central Districts of California
  • US Court of Appeals, Ninth and Federal Circuits 
  • US Supreme Court


  • Loyola Marymount University, J.D., 1999: cum laude; Order of the Coif
  • Pomona College, B.A., Physics, 1990: with honors

Professional Activities

Board Member

  • Women in Law Empowerment Forum (2014-2017)
  • Tenderloin Health (2008-2009)

Speaking Engagements

  • Panelist discussing how the legal community is working to and can work to effectuate positive social change, 16th Annual Women, Wealth & Wisdom Conference (October 28, 2021)
  • Panelist discussing legal developments for reproductive and environmental rights amid the Covid-19 pandemic, 15th Annual Women, Wealth & Wisdom Conference (April 30, 2020)
  • Panelist, “Social Change - Legal Developments in Reproductive, LGBT, and Environmental Rights,” 14th Annual Women, Wealth & Wisdom Conference (August 1, 2019)
  • Panelist, “The Section 101 Struggle: Patent-Eligibility Under 35 U.S.C. 101,” Federal Circuit Bar Association's Bench & Bar Conference (Jun 12, 2019)
  • Panelist, “Social Change - Legal Developments in Refugee/Immigration, Environmental, and Women’s Rights,” 12th Annual Women, Wealth & Wisdom Conference (July 27, 2017)
  • Representing industry-leading computer and electronics company in a patent infringement case involving sixteen asserted patents relating to features of smartphones, tablet devices and MP3 players. (D.Del.)
  • Represented industry-leading computer and electronics company in a patent infringement case relating to targeted advertising using location based services. (N.D. Cal.)
  • Represented industry-leading computer and electronics company in a patent infringement case relating to patents for audio and video systems and devices. (N.D. Cal.).
  • Represented online video service client in a patent infringement case relating to online advertising technology. Obtained summary judgment of invalidity based on the Supreme Court's decision in the Bilski matter. This case was settled on terms favorable to the client. (C.D. Cal.)
  • Represented Internet search company in a patent infringement case relating to Internet mapping technologies and related database technologies. We filed an inter partes re-examination that resulted in the invalidation of all claims of the asserted patent. The litigation was subsequently dismissed with prejudice. (E.D. Tex.)