Daniel Petrocelli


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Daniel Petrocelli is the Chair of the Firm’s Trial Practice Committee. Dan has a national trial practice representing clients in major litigation in a wide variety of areas, including sports, entertainment, intellectual property, unfair competition, business torts, securities, employment law, and criminal defense.

Legal 500 ranks Dan Petrocelli as one of the country’s top 10 trial lawyers and selected him as the winner of its inaugural “Leading Trial Lawyer of the Year” honor in 2014, describing him as an “excellent, excellent trial lawyer” in a “whirlwind year which saw him try a slew of different matters back-to-back across various industries.” Legal 500 quotes a source describing Dan as “absolutely outstanding in court.” Chambers USA ranks Dan as a leading lawyer and quotes sources calling him “just brilliant” and “a great trial lawyer,” who is “nationally renowned for acting on large-scale, complex litigation.” Dan has been featured on the cover of Super Lawyers Magazine, in Variety as one of the industry’s “50 Game-Changing Entertainment Attorneys,” and by Law360 as a “Media & Entertainment MVP.” Dan is a frequent national commentator on trials and other legal issues, as well as a featured speaker on legal issues at business groups, bar and judges associations, and citizens groups.

Honors & Awards

  • Selected to the National Law Journal’s “Trailblazers - Litigation” list (2016)
  • Recognized by Law360 as a national “Trial Pro” in major litigation areas “including sports, entertainment, intellectual property, unfair competition, business torts, securities, employment law and criminal defense” (2016)
  • Named one of the Top 100 California Lawyers by Daily Journal (2010, 2013, 2014, 2015, 2016)
  • Named a leading entertainment lawyer in California by Daily Journal (2015)
  • Named a “Trial Ace” by Law360 (2015)
  • Named Lawyer of the Month by Attorney at Law magazine (2015)
  • Recognized as an Outstanding Alumnus in Entertainment & Media by Southwestern Law School (2014)
  • Named Leading Trial Lawyer (2013, 2014, 2015, 2016) and Trial Lawyer of the Year by Legal 500 (2014)
  • Lead counsel in Lennar Corporation et al. v. Briarwood Capital LLC, named one of the Top 5 Verdicts, Intentional Torts, Daily Business Review (2014)
  • Recognized by The International Who’s Who of Sports & Entertainment Lawyers as one of the “Most Highly Regarded Individuals” in the area of Sports & Entertainment (2013)
  • Named one of the country’s Top 10 trial lawyers, Legal 500 (2013)
  • Named to The Hollywood Reporter’s Power Lawyers list (2010-2016)
  • Recognized by Variety magazine for excellence in the area of entertainment law (2012-2016)
  • Named a “Media & Entertainment MVP” by Law360 (2012, 2015)
  • Southwestern University Alumnus of the Year
  • Century City Bar Association Litigator of the Year
  • Malibu Bar Association Trial Lawyer of the Year
  • San Diego Trial Lawyers Association Trial Lawyer of the Year
  • Name one of Los Angeles’ Top 50 Litigators by the Los Angeles Business Journal
  • Named one of the Lawyers of the Year by California Lawyer
  • Named a “Super Lawyer” in a survey published in Los Angeles magazine
  • Appears in Best Lawyers in America, Bet-The-Company Litigation
  • Named a “Leading Lawyer in Litigation” by Guide to the World’s Litigation Lawyers
  • Named one of the top General Commercial lawyers in Benchmark Litigation: The Definitive Guide to America’s Leading Litigation Firms and Attorneys
  • Named one of Southern California's Best Lawyers in a magazine published in the Los Angeles Times
  • Ranked in Chambers USA for California, Litigation: General Commercial and California, Media & Entertainment: Litigation
  • Ranked in Chambers Global for US, Litigation: Trial Lawyers
  • Appear in Super Lawyers for Business Litigation in Southern California (2005-2016)
  • Named “Litigator of the Week” by AmLaw Litigation Daily (2009 and 2016)
  • Ranked in Chambers USA, Legal 500 US, and many directories


Bar Admissions

  • California

Court Admissions

  • US District Court, Central and Northern Districts of California, and the District of Colorado
  • US Court of Appeals, Ninth Circuit
  • U.S. Supreme Court


  • Southwestern University, J.D., 1980: magna cum laude; Editor-in-Chief, Southwestern University Law Review
  • University of California at Los Angeles,  B.S., 1976: cum laude

Professional Activities


  • Trial Advocacy Board, ABA Litigation Section
  • Board of Trustees, Southwestern University School of Law
  • Board of Directors, The Alliance for Children’s Rights
  • Los Angeles County Bar Association, Antitrust and Unfair Competition Sections
  • ABA’s Litigation Section and Corporate Counsel Committee
  • California Bar Association, Antitrust and Unfair Competition Sections
  • Association of Business Trial Lawyers


  • “Reflections on the 20th Anniversary of the O.J. Simpson Saga,” The Hollywood Reporter (2014)
  • “Outside the Courtroom,” Beyond a Reasonable Doubt, Larry King, Phoenix Books (2006)
  • “Effective Witness Preparation,” California Litigation (Spring 1999)
  • “Triumph of Justice: The Final Judgment on the Simpson Saga,” Random House (1998)
  • “Opening Statements under California Law,” Los Angeles Lawyer (March 1989)

Press Releases

Three O’Melveny Lawyers Featured in Variety’s 2017 Legal Impact Report

April 6, 2017

The Legal 500 Names Four O’Melveny Partners to Hall of Fame

March 24, 2017

Millennium Tower Homeowners Tap Petrocelli as Lead Counsel, Rounding Out All-Star Legal Team Prior to Lawsuit

February 7, 2017

National Law Journal Names Chopra, Petrocelli Litigation Trailblazers

December 5, 2016

Chambers USA 2016 Ranks More Than 60 O’Melveny Lawyers and 30 Practices

June 1, 2016

Kassinger, Petrocelli Named Law360 MVPs

December 17, 2015

O’Melveny’s Daniel Petrocelli Named Leading Entertainment Lawyer by Daily Journal

November 18, 2015

O'Melveny's Chopra, Petrocelli Named to Daily Journal’s Top 100 California Lawyers

September 9, 2015

O’Melveny Lawyers and Practices Highly Ranked in Chambers USA 2015

June 23, 2015

O’Melveny Partners Named to The Hollywood Reporter’s 2015 Power Lawyers List

May 20, 2015

O’Melveny Lawyers Selected for Variety’s 2015 Legal Impact Report

April 15, 2015

O’Melveny Wins Appeal Affirming US$1 Billion Judgment for Lennar Corp.

April 2, 2015

O’Melveny Named an Entertainment and Media Group of the Year by Law360

January 28, 2015

In the News