Antitrust Partner at O'Melveny
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.
The Daily Journal has named Anna to its 2022 list of “Top Women Lawyers,” which recognizes the best women lawyers in California, and she was similarly recognized in its “Top Antitrust Lawyers in California” rankings in 2021. Between 2014 and 2016, Anna served as an Adjunct Professor at her alma mater, Berkeley Law, developing and teaching an advanced seminar for students interested in the practice of white-collar criminal law.
Anna is the Deputy Regional Director of Programs for the Hispanic National Bar Association’s Bay Area Chapter, and serves on the Board of Directors for Bay Area Legal Aid, the largest legal aid provider serving seven Bay Area Counties, providing low-income clients with free civil legal assistance related to a variety of critical issues, including consumer protection, housing, health care, immigration, and domestic violence and sexual assault prevention. She also serves as a facilitator for Youth Transforming Justice, a non-profit, restorative diversion program for teens.
O'Melveny & Myers LLP
San Francisco, California
University of California, Berkeley Law School
Berkeley, California
Developed and taught an upper-level seminar course on white collar crime
University of California, Hastings College of Law
San Francisco, California
Served in Major Crimes unit, prosecuting a variety of criminal conduct, including violent and financial crimes
U.S. Attorney’s Office, Major Crimes Unit
(appointed)California Northern District
Served in Major Crimes unit, prosecuting a variety of criminal conduct, including violent and financial crimes.
U.S. Department of Justice (DOJ), Antitrust Division
(appointed)California Northern District
Investigated and prosecuted a variety of cases, including price fixing, bid rigging, market manipulation, fraud, and money laundering. Oversaw cases and participated in cases involving LCD and cathode ray tubes, real estate foreclosure, auto parts, and financial instruments.
Evaluated Hart-Scott-Rodino filings, investigated mergers, and prosecuted anticompetitive conduct, including prosecuting an e-commerce company for agreeing not to poach employees from competitors.
Worked closely with foreign competition authorities, including the European Union, Canada, Japan, Korea, and Brazil. Represented the United States in a working group of Latin American enforcement agencies and worked specifically with Mexico and Chile to assist in the development of their antitrust laws.
Managed a unit of 25 attorneys and 10 support staff.
District Courts
(appointed)Massachusetts
Served as judicial law clerk to the Honorable Douglas P. Woodlock, researching and drafting opinions, orders, and bench memoranda.
Gibson, Dunn & Crutcher LLP
San Francisco, California
JP Morgan Chase & Co
Los Ángeles, California
March 2025
Representing Alaska Airlines in regulatory proceedings and in private litigation in connection with Alaska’s proposed merger with Hawaiian Airlines. Representing a major healthcare company in an investigation by the US DOJ Antitrust Division. 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.
Best Lawyers in America
San Francisco, CA | January 2023
Recognized also in 2025
Benchmark Litigation
January 2024
Also in 2025
Concurrences Antitrust Writing Awards
January 2024
Business Articles, Concerted Practices (2024)
Chambers USA
January 2024
for Antitrust (2024)
Daily Journal
January 2023
Named
The Legal 500 US
January 2022
For Cartel, through 2024
Lawdragon
January 2022
Named through 2025
Daily Journal
March 2025
Selected
Daily Journal
January 2021
Selected
The Legal 500 US
January 2020
January 2020
January 2007
also in 2011 and 2014
American Bar Association Antitrust Magazine
March 2024
American Bar Association Antitrust Source Magazine
December 2023
The Recorder
February 2023
American Bar Association Antitrust Magazine
March 2023
American Bar Association Antitrust Magazine Volume 35, No. 2
March 2021
ABA Antitrust Masters Course
September 2024
ABA International Cartel Workshop
June 2024
ABA Antitrust Section Spring Meeting
April 2024
ABA Antitrust Section Webinar
February 2024
ABA Antitrust Section Podcast
January 2024
ABA Antitrust Law Section
August 2023
ABA Antitrust Section Podcast
July 2023
USC/Analysis Group Global Antitrust/Competition Law Conference
May 2023
ABA Antitrust Spring Meeting Mock Trial
April 2023
ABA Antitrust Masters Course Conference
October 2022
Conference Sponsored by the Federal Bar Association, the ABA, and the Women’s White Collar Defense Association
February 2020
ABA Antitrust Section Podcast
February 2020
12th Annual San Francisco and Silicon Valley Legal Market Conference
December 2019
Hispanic National Bar Association's Annual Convention
September 2019