Whitney R. O'Byrne

Whitney R. O'Byrne
Partner

707 Wilshire Boulevard

Los Angeles, CA 90017-3543

wobyrne@mofo.com

(213) 892-5653

BAR ADMISSIONS

New York

California

CLERKSHIPS

Hon. Carol Amon, U.S. District Court, E.D. New York

EDUCATION

Washington University in St. Louis, B.A.

Columbia Law School, J.D.

Whitney O’Byrne is a trial lawyer with a wide range of experience litigating complex civil, regulatory, and criminal matters. She represents clients, large and small, in disputes involving intellectual property, legal malpractice, antitrust, consumer class actions, privacy class actions, and other commercial litigation in state and federal court. Whitney has also represented individual and institutional clients in investigations conducted by the Department of Justice, the Securities and Exchange Commission, the Federal Reserve, and the Commodity Futures Trading Commission.

Whitney’s substantial trial experience includes a multi-district antitrust case in the Southern District of New York, a patent trial in the Northern District of California, criminal trials in California and New York, and multiple JAMS and AAA arbitrations. Whitney is also a NITA trial skills instructor and has taught trial advocacy at multiple levels for over 10 years.

Whitney most recently practiced at a premier litigation boutique, where she worked on trade secrets, legal malpractice, and class action litigations for companies ranging from early-stage startups to established technology companies. Whitney also served as a law clerk in the Eastern District of New York.

Whitney was recognized as a 2021 Rising Star by Northern California Super Lawyers and has been published by Bloomberg Law. She has served on the Diversity and Inclusion Committee of the Barristers Club of the Bar Association of San Francisco and was a member of the Edward J. McFetridge Inn of Court.

Whitney graduated from Columbia Law School, where she served as an Articles Editor of the Columbia Human Rights Law Review and was a Harlan Fiske Stone Scholar. She earned a Bachelor of Arts summa cum laude from Washington University in St. Louis.

Whitney is admitted to the State Bars of New York and California.

Representative Experience

  • Representing major healthcare company in trade secrets litigation concerning remote patient monitoring.
  • Representing leading online and mobile marketplace in class action litigation alleging employee misclassification.

  • Representation of victim and witness in connection with prosecution of Michael Avenatti for extorting Nike.

  • Representation of a Fortune 100 investment bank in connection with DOJ investigation.

  • Representation of large Japanese bank with respect investigations conducted by multiple regulators.

  • Representation of Argentine sports marketing agency in connection with various investigations related to FIFA corruption.

Rankings

Named "Ones to Watch" for Commercial Litigation

Best Lawyers 2024-2025

Rising Star

Southern California Super Lawyers 2023

Rising Star

Northern California Super Lawyers 2021