Anna Rathbun represents companies in high-stakes antitrust litigation and investigations.

Ms. Rathbun combines extensive trial experience with her ability to craft holistic litigation strategy to help clients achieve optimal results in a wide variety of criminal and civil antitrust matters, including:

  • Government investigations by the Antitrust Division of the Department of Justice (DOJ), the Federal Trade Commission (FTC), state attorneys general, and global antitrust regulators
  • Class actions
  • Business-to-business litigation
  • Merger challenges

She leads clients through a dynamic regulatory landscape and positions clients for success in the face of uncertainty. Ms. Rathbun works closely with antitrust colleagues across the firm’s global platform, particularly in Brussels and London, to align on strategic considerations for parallel proceedings.

Ms. Rathbun maintains an active pro bono practice, including leading the Latham trial team that, after a week-long evidentiary hearing, secured federal habeas relief for an inmate on Alabama’s death row, for which the team received the 2022 Robert M. Dell Prize for Extraordinary Pro Bono Service.

Before law school, Ms. Rathbun served as a Peace Corps Volunteer in the Kyrgyz Republic.

Ms. Rathbun’s experience includes representing:


  • EverWatch in defeating the DOJ’s motion for a preliminary injunction challenging its acquisition by Booz Allen Hamilton
  • GRAIL in securing dismissal of an FTC complaint during an administrative trial in which the FTC challenged GRAIL’s acquisition by Illumina
  • A building products manufacturer in defending against private merger litigation at a jury trial


  • The Atlantic Coast Conference in connection with lawsuits related to student athlete name, image and likeness rights, and compensation and benefits
  • The US Soccer Federation in connection with:
    • A three-day evidentiary hearing to defend against claims that Hope Solo brought under the Ted Stevens Act, resulting in Solo’s agreement to dismiss her claims with prejudice
    • Antitrust claims related to league sanctioning
  • The National Women’s Soccer League in litigation challenging the age requirement

Other Litigation

  • A revenue management product provider in lawsuits alleging algorithmic price fixing
  • A building products manufacturer in obtaining a successful jury verdict in a trade secrets litigation
  • A client in obtaining the first global resolution of criminal and civil claims — including antitrust and False Claims Act claims — brought by the US government on favorable terms
  • An auto parts manufacturer in successfully managing discovery and pretrial motions practice for a large multidistrict litigation, ultimately leading to a very favorable settlement for the client

Complex Class Actions

  • In re Automotive Parts Antitrust Litigation
  • In re Air Cargo Antitrust Litigation
  • In re Transpacific Passenger Antitrust Litigation
  • In re Packaged Seafood Products Antitrust Litigation
  • In re Generic Pharmaceuticals Antitrust Litigation
  • Borozny v. Raytheon Technologies

Bar Qualification

  • California
  • District of Columbia


  • JD, University of Michigan Law School, 2010
    cum laude
  • BA, Dartmouth College, 2005
    cum laude