Allyson Maltas is counsel in the Washington, D.C. office of Latham & Watkins. She is a member of the Litigation & Trial Department and the firm's nationally recognized Antitrust & Competition Practice. Ms. Maltas focuses on defense of corporate clients in civil litigation and class actions, and in national and global government investigations of antitrust conduct and anticipated and completed mergers.

In her civil litigation work, Ms. Maltas represents clients in all stages of complex civil and multi-district class action litigation, as well as in business-to-business antitrust litigation. Her work includes defense of cases brought under federal and dozens of state antitrust laws, for conspiracy, monopolization and attempted monopolization, tying, and illegal merger by the government and private plaintiffs. She has resolved litigations for antitrust defendants though dispositive motions, favorable settlements, and victory at trial.

In her investigations practice, Ms. Maltas has represented clients in successful applications for amnesty in jurisdictions across the world, and in criminal and civil investigations by competition authorities in the United States and other countries. She has investigated and litigated in a variety of industries, including healthcare and healthcare technology, social media and digital advertising, energy, automotive parts, computer and consumer electronic components, construction material, private equity, and television services and advertising.

Ms. Maltas has extensive antitrust trial and arbitration experience in cases against the government and private plaintiffs, including in the first arbitrated merger challenge brought by the government. She currently represents a global airline in a pending government challenge of a joint venture, and successfully represented one of the largest cable television companies in the country in a jury trial followed by a directed verdict for the defendant, which was upheld by the Tenth Circuit Court of Appeals.

Her recent victories in dispositive motions include successful motions to dismiss complaints of purported antitrust violations in natural gas transportation, wholesale electricity, and resale electricity and consumer electronic components.

Ms. Maltas represented multiple auto parts manufacturers in the largest multi-district litigation in the country and has resolved the claims against those clients with extremely favorable settlements.

Ms. Maltas’ current and recent civil and class action litigations include:

  • U.S. v. American Airlines
  • In re Surescripts Antitrust Litigation and FTC v. Surescripts
  • In re Local TV Advertising Antitrust Litigation
  • In re Inductors Antitrust Litigation
  • Breiding v. Eversource Energy, Inc. and PNE v. Eversource Energy, Inc.
  • Winters v. Ocean Spray Cranberries
  • In re Auto Parts Antitrust Litigation

Ms. Maltas has represented multiple clients in investigations by government agencies, including through the CID process, leading to decisions to close investigations without indictment or other actions. She has also represented parties in investigations of closed and pending acquisitions. And, as part of government investigations in the auto parts industry, Ms. Maltas has represented clients in connection with government investigations in Mexico, India, Taiwan, South Africa, and Singapore.

Ms. Maltas also maintains a robust pro bono practice and is currently representing a Texas inmate in a habeas corpus proceeding and recent evidentiary hearing.

Bar Qualification

  • District of Columbia
  • Maryland


  • JD, University of Virginia School of Law, 2004
  • BA, Rice University, 2001