Kate Mitchell-Tombras represents clients in complex antitrust and commercial legal matters, including litigation, government investigations, and mergers and acquisitions. Kate also advises clients on competition issues, such as antitrust compliance, internal investigations, and responding to Second Requests.

From 2010-2014, Kate was a trial attorney in the Antitrust Division at the U.S. Department of Justice. While at the Antitrust Division, Kate successfully represented the United States at trial in its challenge of a conspiracy concerning the pricing of e-books and its challenge of a provision in agreements between a credit card network and merchants. Kate also served as chief of staff of the team responsible for the Antitrust Division’s challenge to the merger between U.S. Airways and American Airlines, which ultimately concluded in a settlement. In recognition of her contribution to the e-books and airlines litigations, Kate received the Antitrust Division’s Award of Distinction.