On Jan. 18, 2022, the Federal Trade Commission (FTC) and the Department of Justice's (DOJ) Antitrust Division announced a joint public inquiry related to the federal merger guidelines, with the goal of "strengthening enforcement against illegal mergers." Members of the public are encouraged to provide comments pursuant to the joint request for information through March 21, 2022. After considering these public comments and other available evidence, including their own research, the agencies are expected to publish revised proposed guidelines for public comment. In announcing the joint inquiry, the agency heads identified and explained some of their concerns with current antitrust merger enforcement.