Ms Stacey Anne Mahoney > Morgan, Lewis & Bockius LLP > New York, United States > Lawyer Profile

Morgan, Lewis & Bockius LLP
NEW YORK, NY 10178-0060
United States

Work Department

Latin America Team; Antitrust


Stacey Anne Mahoney’s practice includes all aspects of antitrust law. In her antitrust litigation practice, she represents clients as plaintiffs and defendants in federal and state courts throughout the US, in cases involving restraints of trade, monopolization, tying, exclusive dealing, price discrimination, false advertising, unfair competition, and related business torts. In her merger practice, Stacey develops and implements domestic and international merger advocacy strategies, including trial as needed. Stacey’s counseling practice includes advising on distribution and pricing issues, as well as joint ventures and other competitor collaborations. She has worked extensively in pharmaceuticals and healthcare, payment systems, financial services, advertising and marketing, retail, and publishing.  Stacey is consistently ranked among the top antitrust lawyers in New York by Chambers USA and Super Lawyers, The Legal 500, and most recently by Global Competition Review. Chambers USA recognizes her “excellent antitrust litigation practice” and describes her as “very smart and very responsive,” “very perceptive and very knowledgeable,” offering a “highly pragmatic approach to matters.” Super Lawyers reports that she is a “fearless and innovative litigator, able to adjust to any type of antitrust case,” “with an outstanding ability to think strategically” with “the knowledge and litigation skills to match the most senior antitrust litigators.”


American Bar Association – Liaison between Section of Antitrust Law and Section of International Law and Section of International Law: Vice Chair, International Antitrust Law Committee.


University of Michigan, Fordham University School of Law

Lawyer Rankings

United States > Antitrust > Civil litigation/class actions: defense

Morgan, Lewis & Bockius LLP‘s antitrust defense department puts an emphasis on multi-district litigation in offices across the country: team members are spread between Washington DC, Philadelphia, New York, San Francisco and Boston. Global practice group leader Steven Reed in Philadelphia and his Washington DC-based deputy Jon Roellke are in joint charge of the department. The former is particularly well-versed in defending alleged price-fixing in the generic pharmaceutical industry as well as other multidistrict litigation, whereas the latter specializes in advice to financial services clients such as in financial benchmark cases. Stacey Anne Mahoney in New York operates a holistic antitrust practice with pharmaceuticals and real estate know-how. Located in Philadelphia, Brendan Fee represents technology, energy and life sciences clients on cases related to pricing issues and vertical restraints.