O’Melveny Worldwide

Larson Ishii is a litigation associate in O’Melveny’s Century City office. Larson represents clients in many areas of litigation, including complex commercial disputes, arbitrations, labor and employment cases, and sensitive internal investigations, with a focus on sports-related and entertainment matters.

Before joining O’Melveny, Larson clerked for the Honorable Lucy H. Koh on the US Court of Appeals for the Ninth Circuit and for the Honorable George H. Wu on the US District Court for the Central District of California. 

Larson also previously practiced law in New York, where he gained experience on cases involving sports and antitrust. Prior to law school, Larson worked in-house at the National Basketball Association as a paralegal for three years, where he assisted on issues related to the NBA Board of Governors, league governance, sports betting and integrity matters, revenue sharing, litigation and arbitration matters, player matters, and investigations and discipline.

Larson also maintains a diverse pro bono practice.

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Admissions

Bar Admissions

  • California
  • New York

Education

  • Harvard University, J.D.: magna cum laude; Managing Editor, Harvard Journal of Sports & Entertainment Law
  • Harvard University, B.A., Social Studies: cum laude

Professional Activities

Judicial Clerkships

  • The Honorable Lucy H. Koh, US Court of Appeals, Ninth Circuit
  • The Honorable George H. Wu, US District Court, Central District of California