Matthew Tabas

Matt Tabas is a Partner at Arnold & Porter. His practice focuses on federal and state government reviews of mergers and acquisitions, civil antitrust litigation, civil and criminal government investigations, and antitrust counseling. He has represented clients in a number of industries in all phases of merger clearance, including pre-merger business counseling, before the US Department of Justice, Antitrust Division, the Federal Trade Commission (FTC), and state antitrust enforcement authorities, as well as before federal courts in litigated challenges by the government. Mr. Tabas previously served as a Counsel to the Director in the FTC’s Bureau of Competition where he advised two Bureau of Competition Directors on a wide range of antitrust issues. Mr. Tabas also worked as an attorney in the Mergers IV Division of the FTC, investigating and analyzing combinations in the supermarket, healthcare, and funeral home industries. Among other assignments, he led two investigations into mergers of healthcare providers and played an integral role in the trial teams that successfully challenged several high profile mergers, including In re Pinnacle Entertainment, Inc. and Ameristar Casinos, Inc.; FTC v. Whole Foods Market, Inc.; and three of the Federal Trade Commission’s hospital merger challenges: FTC v. OSF Healthcare System; FTC v. Phoebe Putney Health System, Inc.; and FTC v. ProMedica Health System, Inc. While at the FTC, Mr. Tabas participated in a staff exchange with Canada’s Competition Bureau, where he worked as a Competition Law Officer in the Competition Bureau’s Mergers Branch.