Mary Lehner

Freshfields Bruckhaus Deringer (Washington)
Lawyer (Partner)

Mary is a partner in the antitrust, competition and trade group based in Washington, DC. Mary focuses her practice on representing clients before the FTC, the DOJ, and State Attorneys General on the antitrust aspects of M&A, joint ventures, distribution and intellectual property arrangements, and other competitive conduct. Before joining Freshfields, Mary served as an advisor to two FTC Chairs, providing counsel on antitrust investigations, enforcement actions, 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 serves on the Steering Committee of GCR’s Women in Antitrust annual conference, has participated as a panelist in Women’s Competition Network and ABA Women in Deal Work events, and is a leader of the Freshfields US Diversity & Inclusion Committee. She is also a HALO Champion (supporter of Freshfields’ LGBT initiative).

Linked authors

Freshfields Bruckhaus Deringer (Washington)
Freshfields Bruckhaus Deringer (Washington)
Freshfields Bruckhaus Deringer (Washington)
Freshfields Bruckhaus Deringer (Washington)
Freshfields Bruckhaus Deringer (Washington)
Office of the New York State Attorney General (Albany)
Cornerstone Research (San Francisco)
US Department of Justice (Washington)

Articles

41 Bulletin

Thomas Ensign, Mary Lehner, Bruce McCulloch, Paul Yde, Robert Schlossberg, Richard Snyder The US DoJ files a complaint seeking to partially unwind a merger between two producers of aviation fuel filtration products on the basis that it substantially lessens competition in the market (Clarcor / Parker-Hannifin)

24

On September 26, 2017 the Antitrust Division of the United States Department of Justice (DOJ) filed a complaint in the US District Court for the District of Delaware seeking to partially unwind a merger between two producers of aviation fuel filtration products. In its complaint, the DOJ (...)

Thomas Ensign, Mary Lehner, Paul Yde, Robert Schlossberg, Bruce McCulloch The US FTC issues a policy statement describing the enforcement principles that guide the agency’s exercise of its authority to prosecute unfair methods of competition

17

On August 13, 2015, the Federal Trade Commission (FTC or the Commission) issued a policy statement describing the enforcement principles that guide the agency’s exercise of its authority to prosecute “unfair methods of competition” under Section 5 of the FTC Act. The bipartisan statement (...)

Send a message