LAWYER PROFILE
Éric Préfontaine

Éric Préfontaine

Canada 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

About

Provided by Osler, Hoskin & Harcourt LLP

Practice Areas

Éric Préfontaine is a key contact for our National Class Action Defence group, and an experienced class actions practitioner in the Québec bar with specialized expertise in the defence of consumer protection, product liability and securities matters. While leading the firm’s class action matters in Quebec, Éric also consistently brings his expertise to multi-jurisdictional matters for firm strategic clients.

In addition to his leading role in class actions, Éric’s commercial litigation practice includes advising clients on highly complex commercial litigation and representing them before commercial and civil courts, administrative tribunals and in arbitration proceedings. His practice includes disputes in a wide range of expertise, including: securities, shareholders, product liability, banking and financial services, franchising, consumer protection and insolvency and restructuring. Eric also has experience in urgent and special procedures such as injunctions and seizures.

Éric is recognized as Lawyer of the Year by The Best Lawyers in Canada 2020 and as a leading litigator in Chambers 2021, Litigation: General Commercial (Quebec); Dispute Resolution: Class Action (Defence); The Best Lawyers in Canada 2020 in the area of Corporate & Commercial Litigation, Class Action Litigation and Product Liability. Éric was also recognized as a Litigation Star in Benchmark Canada 2020.

Career

Université de Montréal, LL.B. (Civil Law)

Université du Québec à Montréal, B.A. (Political Science)

Bar Admission: Québec, 2001

Professional Memberships

Barreau du Québec

Canadian Bar Association

The Advocate’s Society

Chambers Review

Provided by Chambers

Chambers Canada Guide

Dispute Resolution: Class Action (Defence) - Nationwide - Canada

Band 4
Band 4

Individual Editorial

Montréal-based Éric Préfontaine is highlighted for his expertise in defending product liability and securities class actions. He is also adept at handling privacy and opioid-related disputes.

Litigation: General Commercial - Québec

Band 5
Band 5

Individual Editorial
Éric Préfontaine is sought after for his knowledge of disputes, and especially class actions, for a variety of clients hailing from the banking, technology and pharmaceutical sectors.
Editorial individuel

Éric Préfontaine est convoité pour sa connaissance des litiges, et notamment des actions collectives, pour une clientèle variée provenant des secteurs bancaire, technologique et pharmaceutique.

Strengths

Provided by Chambers

  • Eric is a great thought partner.

    Dispute Resolution: Class Action (Defence)Chambers Canada Guide
  • Éric Préfontaine is always responsive and helpful and provides outstanding service.

    Litigation: General CommercialChambers Canada Guide
  • Éric is a strong commercial litigator.

    Litigation: General CommercialChambers Canada Guide
  • Éric est un plaideur solide.

    Litigation: General CommercialChambers Canada Guide
  • Éric Préfontaine est toujours réactif et serviable et offre un service exceptionnel.

    Litigation: General CommercialChambers Canada Guide

Ranked Individuals at Osler, Hoskin & Harcourt LLP (199)

Alberta

British Columbia

Nationwide - Canada

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