McCarthy Tétrault LLP

Madeleine Renaud

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Practice Areas

Advises Canadian and international clients on all aspects of competition law, including national and international mergers, cartel investigations, and class actions. Involved in several landmark competition cases, including before the Supreme Court of Canada.

Professional Memberships

CBA; ABA (Antitrust Law Section).


Clerk, Honourable Justice Lamer, Supreme Court of Canada. Admitted to the Quebec and Ontario Bars. Past chair, CBA National Competition Law Section. Awarded Advocatus Emeritus distinction by the Québec Bar for professional excellence and outstanding contribution to the profession. Member of the Competition Policy Council of the C.D. Howe Institute.


Extensively published on competition law.