Luann L. Simmons


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Luann Simmons

Luann Simmons, Managing Partner of O’Melveny’s San Francisco office, 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 named Luann to its 2014 Top Intellectual Property Lawyers list, and The Recorder named her to its list of “Women Leaders in Tech Law” in 2013 and 2017. 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. and published in San Francisco Magazine and the Northern California edition of Super Lawyers.


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)
  • 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.)