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Marie-Pier Gagnon-Nadeau Avocate/Associate Montréal

Marie-Pier Gagnon Nadeau

Associate Fasken
Jurisdiction Québec, 2016
Language(s) French, English
Office(s) Montréal


Marie-Pier Gagnon Nadeau practises with the Civil and Commercial Litigation group at the Montréal office.

Her practice focuses on class actions dealing with complex questions of civil liability, protection of personal information in the private sectors, product liability, securities, consumer law, and private international law. Marie-Pier has worked on numerous files managing key aspects of interjurisdictional disputes in the context of multijurisdictional class actions, as well as pseudonym orders, publication bans, sealing orders and highly confidential information.

Marie-Pier intervenes at each step during litigation, defending clients both at authorization and on the merits, or involved in negotiating settlements.

Before launching her law career at Fasken, Marie-Pier had previously accumulated more than seven years experience as a successful journalist. She has also worked in the events and public relations sectors.


  • Recognized as "Ones to Watch" in Corporate and Commercial Litigation in Montreal , The Best Lawyers in Canada 2023
  • Recognized nationwide as a Rising Star in Dispute Resolution, The Legal 500 Canada 2023
  • Leon Levinson Award, Faculty of Law, McGill University (2012), McGill University 2012

Career & Education


  • BCL / LLB McGill University
  • BA, Communication and Arts administration University of Ottawa

Community involvement

  • Member of the Board of Directors, Centre de création O Vertigo (since 2017)

Memberships & Affiliations

  • Member, Canadian Bar Association (since 2016)
  • Member, The Young Bar of Montreal (since 2016)




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