Pierre N. Gemson


[email protected]

Pierre represents corporate clients in complex litigation matters. His practice focuses on competition law matters, including the defence of consumer class actions.

Additionally, Pierre also advises on diverse competition law matters and represents sellers and acquirers in antitrust merger clearance.

Prior to joining BLG, Pierre practiced for five years at a leading, full-service firm in New York. There he represented and advised U.S. and international corporations in a variety of industries, including cellular telecommunications, commercial aviation, banking, vision care, and casino gaming. From 2009-2010, Pierre served as law clerk to Justice Marie Deschamps at the Supreme Court of Canada. He is fluent in English and French.


In his practice, Pierre has represented a:

  • Multinational pharmaceutical company in a nationwide putative consumer class action centralized in the United States District Court for the Middle District of Florida alleging federal and state antitrust violations relating to its pricing policy.
  • Multinational pharmaceutical company in a federal constitutional challenge seeking to enjoin the application of a state statute purporting to regulate contact lens pricing activity in U.S. federal district court and in the court of appeals.
  • European bank in a lawsuit under the U.S. federal Anti-Terrorism Act alleging a conspiracy to provide material support for terrorism.
  • Multinational cellular telecommunications company in an antitrust action alleging a conspiracy in the development of the 4G-LTE cellular standard.
  • Multinational glass packaging company in an antitrust action brought by the Federal Trade Commission challenging the sale of its North American glass packaging business.
  • Buyer on antitrust aspects of U.S. airline's partial acquisition of a U.K. airline.
  • Buyer on antitrust aspects of a merger between two companies in the gaming industry.
  • The City of New York and two New York police officers in the jury trial of a lawsuit alleging false arrest and excessive force.

Beyond Our Walls

Professional Involvement

  • Member, American Bar Association, Section of Antitrust Law

Bar Admission & Education

  • New York, 2011
  • Ontario, 2010
  • LLB / BCL (Great Distinction), McGill University, 2009
  • MPhil, University of Oxford, 2005 (St. Antony's College)
  • BA (Hons. With High Distinction), History and Peace & Conflict Studies, University of Toronto, 2002