Randall Oppenheimer

O'Melveny & Myers LLP

As Firmwide Co-Chair of the Litigation Department, M. Randall Oppenheimer has a national practice, litigating general corporate matters and specific issues involving the energy and entertainment industries, and intellectual property, environmental, and antitrust and regulatory matters.

Randy was among the Firm’s partners featured by The American Lawyer when it chose the Firm to receive the Litigation Department of the Year Award in 2004, and, again, when it chose the Firm as a Finalist in 2011. He has been named a member of the Lawdragon “500 Leading Litigators in America”; included in the Chambers USA “National Practice Leaders” directory as a leader in Litigation; and named a “Super Lawyer” in surveys conducted by Law & Politics Media Inc.

While covering one of his trials, the Washington Post reported on what they described as Randy’s “razor-sharp intellect . . . [and] dignified delivery” in the courtroom. He has served on the Firm’s Compensation and other committees and was awarded the 2008 O’Melveny & Myers Values Award in recognition of his practice excellence and contributions to the Firm.


  • Illustrative Trial Experience:
    • Defended AT&T and Time Warner in the biggest merger case in decades, defeating an attempt by the DOJ’s Antitrust Division to block the US$85.4 billion merger between the telecom and media giants; after five weeks of testimony, a federal judge rejected the government’s theories, denied the government’s request for an injunction, and imposed no conditions on the parties
    • Successfully obtained a complete defense jury verdict for ExxonMobil against claims that it owed in excess of US$30 million to various Alaskan municipalities for unpaid oil spill clean up costs for the Valdez oil spill. The jury awarded zero. This verdict became one of the National Law Journal’s top defense verdicts for 2002
    • Lead trial counsel for ExxonMobil in multiple proceedings in its successful effort to prevent cancellation of its leases at one of the largest natural gas reservoirs in the United States
    • One of the lead trial counsel for Lennar Homes, one of the country’s largest public homebuilders, in trials successfully defending the company against accusations of fraud and malfeasance in connection with a landmark resort and home development near San Diego
    • Lead trial counsel for AIG in AIG Retirement Services v. Credit Lyonnais, obtaining a US$236.5 million recovery for the company on the eve of trial
  • Illustrative Appellate Experience:
    • Multiple appellate arguments, including Doe v. Unocal before an en banc panel of the Ninth Circuit Court of Appeal
  • Illustrative Professional Experience:
    • Lead outside counsel for a major television network in connection with class action matters, including a class action over alleged music rights violations and a class action over alleged unfair business practices (each with claimed damages substantially in excess of US$100 million)
    • Lead outside counsel for a major independent production company in various matters, including litigation with a network concerning US$53 million in disputed licensing fees, litigation with a talent agency that materially reduced that agency’s claim to various television packaging fees, various negative injunction matters involving key talent, profit participation litigation, and intellectual property rights matters
    • Lead outside counsel for a major studio in various matters, including litigation involving the studio’s television syndication practices
    • Lead outside counsel for a client in connection with disputes involving the sale of an NBA basketball team
  • Intellectual Property:
    • Co-lead outside counsel for  a leading technology company in litigation in the Northern District of California and Japan, successfully enjoining infringements of distinctive trade dress (successfully asserting both trademark and dilution claims)
    • Lead outside counsel for Advance Micro Devices (AMD) a producer of microchips in litigation in Delaware federal court that successfully defeated an attempt by Intel to enjoin AMD’s use of MMX as a merchandising designation for its chips
  • Regulatory and Antitrust:
    • Co-lead outside counsel for Warner Bros. in class action antitrust litigation brought against the major studios alleging a conspiracy to fix the terms and conditions of net profits in talent contracts
    • Lead outside counsel for Pacific Coast Cement in Hart-Scott-Rodino actions before the FTC relating to the acquisition of cement import facilities
    • Lead outside counsel for PG&E for direct cost audit matters during the prudency review of the Diablo Canyon nuclear power plant
    • Co-lead outside counsel for a Japanese steel producer alleged in a private civil damages action to have violated US dumping laws


  • California


  • University of Chicago, J.D., 1977: Comment Editor, The University of Chicago Law Review
  • Harvard University, A.B., 1974: summa cum laude; Phi Beta Kappa


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What types of cases Attorney Randall Oppenheimer & O'Melveny & Myers LLP can handle?
O'Melveny & Myers LLP can handle cases related to laws concerning Litigation, Antitrust & Trade, Energy Utilities & Environmental. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is O'Melveny & Myers LLP located?
O'Melveny & Myers LLP is located at 400 S Hope St #18th+floor, Los Angeles, CA 90071, USA. You can reach out to O'Melveny & Myers LLP using their phone line 213-430-6722. You can also check their website omm.com or email them at [email protected].
How much would it cost to hire O'Melveny & Myers LLP?
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