Anna T. Pletcher


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Anna Pletcher is an experienced litigator and first-chair trial lawyer who represents clients on a broad range of civil and criminal antitrust issues, as well as sensitive white collar and corporate investigations.

Anna brings over a decade of impressive government experience to her clients in private practice, having served as a Trial Attorney for the United States Department of Justice Antitrust Division prior to joining O’Melveny, where she led significant prosecutions and investigations of a variety of complex criminal and civil cases and served as Assistant Chief of the Antitrust Division’s San Francisco Office. Her experience on criminal matters includes prosecuting price fixing, bid rigging, market manipulation, fraud, and money laundering. Anna also served as a Special Assistant United States Attorney in the Major Crimes unit in San Francisco. On the civil side, Anna’s experience includes investigating proposed mergers and prosecuting a major technology company for entering into a no-poach agreement.

During her decade-long tenure as a prosecutor, Anna worked closely with various components of the federal and state criminal justice systems, including the FBI, United States Probation, and the California Attorney General’s office. Recognized for her exemplary work, Anna received the Assistant Attorney General’s Award in 2014, 2011, and 2007.


Corporate & Government Experience

  • Financial Fraud Enforcement Task Force
  • Assistant Chief, San Francisco Office, US Department of Justice, Antitrust Division
  • Special Assistant US Attorney, Northern District of California

Honors & Awards

  • Recognized by Best Lawyers® for Criminal Defense: White-Collar in San Francisco, CA (2023-2024)
  • Recommended by The Legal 500 US for Cartel (2022, 2023)
  • Named to the "500 Leading Litigators in America" list by Lawdragon (2022)
  • Selected by the Daily Journal as a Top Woman Lawyer (2022)
  • Selected as one of the Daily Journal’s “Top Antitrust Lawyers in California” (2021)
  • Recommended by The Legal 500 US (2020)
  • Minority Bar Coalition Unity Award (2020)
  • Assistant Attorney General’s Award (2007, 2011, 2014)


Bar Admissions

  • California

Court Admissions

  • US District Court, Eastern and Northern Districts of California
  • US Court of Appeals, First and Ninth Circuits


  • University of California at Berkeley, J.D.: California Law Review; Order of the Coif
  • Yale College, B.A

Professional Activities


  • Honorable Douglas P. Woodlock, United States District Court, District of Massachusetts

Adjunct Professor

  • University of California, Berkeley Law School (2014-2016)
  • University of California, Hastings College of Law (2012-2013)


  • Vice Chair, ABA Antirust Trial Practice Committee. (2022-present)
  • Deputy Regional Director of Programs, Hispanic National Bar Association (2020-present)
  • Board Member, Bay Area Legal Aid (2020-present)
  • Board Member, Youth Leadership Institute (2020-present)
  • President, Association of Latino Marin Attorneys (2019-2020)
  • Board Member, Marin County Bar Association (2016-2019)
  • Steering Committee Member, Marin Coalition to End Human Trafficking (2015-2018)
  • Treasurer, Federal Bar Association, Criminal Section (2015-2017)
  • Chair, Marin Women’s Commission (2014-2016)
  • Bay Area Chapter Board Member, American Constitution Society (2009-2014)

Speaking Engagements

  • "Cartel Investigations, Domestic & International," ABA 2022 Antitrust Masters Course Conference (October 2022)
  • “The Defense Perspective on Hot Issues & Trends in White Collar, Securities, and Antitrust Enforcement,” Conference Sponsored by the Federal Bar Association, the ABA, and the Women’s White Collar Defense Association (February 2020)
  • “What Does a Price Fixer Look Like? Understanding the Profile of Criminal Antitrust Defendants,” ABA Antitrust Section Podcast (February 2020)
  • “Antitrust and Diversity” 12th Annual San Francisco and Silicon Valley Legal Market Conference (December 2019)
  • “Breaking Up Is So Hard to Do: Can the Antitrust Law Be Used to Bust Up “Big Tech” Companies?” Hispanic National Bar Association's Annual Convention (September 2019)

Recent Publications

  • "Are Sustainability and Competition Truly Incompatible?," (co-authors Kelse Moen, Emme Tyler, and Molly Shuminer), The Recorder (February 2023)
  • "Why Economics Matters in Criminal Antitrust Cases” (co-authors Kelse Moen and John Gonzalez), American Bar Association Antitrust Magazine (Spring 2023) (forthcoming)
  • “When Silence Is Not Golden: Real World Implications of Non-Parties “Taking the Fifth” in Civil Proceedings,” (co-authors Michael Tubach and Trisha Parikh), American Bar Association Antitrust Magazine Volume 35, No. 2 (Spring 2021)
  • Defending the CEO of a multi-billion dollar company in a criminal price-fixing investigation, securing a complete acquittal following three trials against the Department of Justice.
  • Representing a performing rights society in its antitrust litigation with a consortium of radio station owners.
  • Defending an international automobile manufacturer in an antitrust class action, achieving a favorable settlement on the eve of trial.
  • On behalf of a genetic testing company, won a preliminary injunction preventing the government from enforcing regulations that would limit access to prenatal screening laboratories
  • Providing Covid-19 re-opening advice to several organizations including a global supplier of semiconductors and a computer hardware manufacturer.
  • Advising a global manufacturer on labor antitrust matters and an internal investigation.
  • Advising an entity in a civil antitrust investigation in the esports industry.

In the News

Law360: Women Denied Abortions Launch Complaints In 3 States

September 12, 2023

O’Melveny Antitrust & Competition Lawyers Appointed to Leadership Roles

September 8, 2023

Daily Journal: Top 100 Lawyers 2023 Anna Pletcher

September 6, 2023

Global Competition Review: DOJ Should Reconsider No-Poach Prosections, Defense Bar Says

May 2, 2023

Global Competition Review: No Harm Means No Agreement, Acquitted No-Poach Defendants Say

March 24, 2023

American Bar Association: Why Economics Matters in Criminal Antitrust Cases

March 21, 2023

The Recorder: Are Sustainability and Competition Truly Incompatible?

February 6, 2023

Daily Journal: Top Antitrust Lawyers 2022

November 16, 2022

Law Week Colorado: Defendants Acquitted in Antitrust Trial Over Poultry Prices

July 29, 2022

Bloomberg Law: DOJ Tactics Come Under Scrutiny After Chicken Price-Fixing Loss

July 13, 2022 US Chicken Price-Fixing—Not Guilty

July 11, 2022

Reuters: US Poultry Supplier Executives Acquitted in Price-Fixing Case

July 7, 2022

Law360: 5 Chicken Execs Acquitted In Denver Antitrust Trial

July 7, 2022

The American Lawyer: More Than 2,000 Women Partners Issue Call to Action Post-‘Dobbs’

June 27, 2022

Global Competition Review: Judge Questions Purpose and Policy Behind Third Broiler Chicken Trial

April 21, 2022

Law360: Chicken Execs Again Seek Acquittal After Second Mistrial

April 5, 2022

Global Competition Review: DOJ Trims Down Broiler Chicken Case

April 1, 2022

Law360: Despite 2 Mistrials, DOJ Won’t Say Chicken Case Is Done

March 31, 2022

Global Competition Review: Judge Declares Second Mistrial in Broiler Chicken Case

March 30, 2022

Law360: Poultry Execs Get 2nd Mistrial In Feds’ Price-Fixing Case

March 30, 2022

Law360: Poultry Execs Move For Acquittal Amid Price Fixing Retrial

March 23, 2022

Law360: DOJ Gears Up For Chicken Price-Fixing Retrial

February 18, 2022

Daily Journal: O’Melveny Partner Anna Pletcher named to Daily Journal’s 2021 “Top Antitrust Lawyers” List

November 17, 2021

Press Releases


Alerts and Publications

Labor Antitrust Enforcement: Looking Ahead to 2023

February 6, 2023

FTC Proposes New Rule That Would Ban Non-Compete Agreements

January 10, 2023

Making History: Six Strategic Trials in a Blockbuster Year of Antitrust Litigation

December 13, 2022

Deputy Attorney General Lisa Monaco Announces Corporate Prosecution Policy Changes, Urges Corporate Defendants to Move Faster

September 22, 2022

Eleventh Circuit Holds That a Franchisor and Its Franchisees May Violate Sherman Act by Entering Into No-Hire Agreements

September 12, 2022

DOJ Breathes New Life into Section 2 Criminal Enforcement

March 8, 2022

District Court Holds that No-Poach Agreements Can Constitute Criminal Antitrust Violations

February 16, 2022

FTC Announces New 2022 HSR Reporting Thresholds and Renews Call to Congress for Additional Funding

January 25, 2022