Mary Lehner Email & Phone Number

Mary focuses her practice on representing clients before the Federal Trade Commission (FTC), the US Department of Justice (DOJ), and the State Attorneys General on the antitrust aspects of M&A, joint ventures, distribution and intellectual property arrangements, and other competitive conduct. Mary’s clients value her highly desirable mix of government experience and private practice, handling high-stakes international matters.Before joining Freshfields, Mary served as an adviser to two FTC chairs, providing counsel on antitrust investigations, enforcement actions, domestic and international policy initiatives, public relations and congressional strategies. Prior to her role in the chairman’s office, Mary oversaw antitrust merger investigations as a lead attorney in the FTC’s Bureau of Competition.Mary is a leader in the American Bar Association Section of Antitrust Law, serving for a number of years as a vice chair of the Mergers & Acquisitions Committee before moving to vice chair of Corporate Counseling. She frequently speaks on antitrust issues, most recently at numerous ABA and GCR panels and events.