Céline Legendre

Céline Legendre

Partner, Litigation

Key Contact: Class Action Defence

Key Contact: Corporate and Commercial Litigation

Contact Information


tel: 514.904.8108



Céline is a partner in the firm’s National Litigation group, based in Montréal. Céline’s practice focuses on civil and commercial litigation, including class actions, privacy, product liability, corporate and securities litigation, directors’ and officers’ litigation, shareholders’ remedies and professional liability. Céline also advises clients on competition and antitrust issues relating to deceptive marketing and alleged cartel activity, internal investigations and wrongful disclosure. Her work in these realms includes supporting clients through sensitive and critical internal and regulator-led investigations.

Céline is also an established advocate who appears regularly for clients in courts of first instance, appeal courts, and before administrative and regulatory tribunals. She represents high-profile clients in a variety of industries, including financial services, retail, technology and energy.

Céline is a leading member of both the Class Action Defence and Privacy and Data Management groups at Osler. She consistently delivers comprehensive solutions to clients’ business critical issues and is recognized by The Canadian Legal Lexpert Directory in the area of Class Actions, and Corporate Commercial Litigation, as well as by Benchmark Litigation Canada in the area of Dispute Resolution.

    • Represented a major Canadian Financial Institution on all aspects of a privacy breach including interaction with the regulators
    • Acted for a major Canadian Financial Institution in class action alleging misrepresentations on the primary and secondary markets.
    • Acted for auditors in class actions alleging misrepresentations on the primary and secondary markets.
    • Acted for public utility company in class actions and before the Régie de l’énergie
    • Acted for former CFO of national insurance company in class action alleging misrepresentations on the secondary market.
    • Represented various Canadian Financial Institutions and national and international retailers on privacy issues pertaining to access to information and anti-spam legislation.
    • Acted for a major Canadian Financial Institution in the Asset Backed Commercial Paper restructuring regulatory investigation.
    • La Société des casinos du Québec Inc. - defence in various litigation related to operations
    • Acted for financial institutions in various class actions, complex litigation and enforcement issues
    • Acted for public issuers in the context of regulatory investigations, multijurisdictional class actions commenced under provincial securities statutes 
    • Acted for various clients in multijurisdictional class actions related to chocolate products, electronic books, various automotive products, rubber chemicals, various computer chips, optical disk drives and hydrogen peroxide
    • Acted for various clients for issues related to alleged deceptive marketing in the context of investigations and litigation

  • The Canadian Legal Lexpert Directory: Recognized in Class Actions; Litigation - Corporate Commercial
  • Benchmark Litigation Canada: Recognized in Class action; Commercial; Competition/Antitrust; Dispute Resolution; Product liability; Securities (Litigation Star)

  • Board member of Nature Conservancy Canada (Québec) since 2016

  • Nature Conservancy Canada – Chair of the Regional Board (Quebec)
  • Canadian Bar Association
  • Barreau du Québec

  • L’Art de l’interrogatoire en chef, The Advocates Society, Montreal, October 12, 2018.