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Report Violations

Antitrust Division Seal
Information from the public is vital to the work of the Antitrust Division.

Your emails, letters, and phone calls could be our first alert to a possible violation of antitrust laws and may provide the initial evidence needed to begin an investigation.

If you do not think your concerns involve the antitrust laws, you may want to visit the Department of Justice site for more information or send a message to the Department of Justice.

To report general antitrust violations, such as price fixing, bid rigging, and market allocation, contact the Complaint Center.

See: Price Fixing, Bid Rigging, and Market Allocation Schemes: What They Are and What to Look For.

To report potentially unfair and anticompetitive health care practices to the Justice Department’s Antitrust Division and FTC, see

To report information regarding compliance with or potential violations of civil judgments contact the Office of the Chief Legal Advisor by sending an e-mail to

To report antitrust crimes and related schemes in government procurement, grant, and program funding, contact the PCSF Tip Center.

To submit a livestock or poultry competition complaint with the USDA and DOJ Agricultural Markets Enforcement Partnership, use the USDA-DOJ Complaint Portal.

You may wish to review the following specific industry resource page, and if appropriate, direct your questions, comments, or concerns to the corresponding Antitrust Division contact.

Concert Industry: If you have information about potential violations of the Final Judgment in United States v. Ticketmaster Entertainment, Inc. and Live Nation, Inc., or other anticompetitive conduct in the concert industry, please e-mail

Corporations and individuals who report their cartel activity and cooperate in the Division’s investigation of the cartel reported can avoid criminal conviction, fines, and prison sentences if they meet the requirements of the program. See Leniency Program for more information.

Learn how to identify anticompetitive conduct that occurs after a natural disaster and how to report possible violations to the Antitrust Division on the Disaster Recovery page.