Sean Griffin

Sean Griffin

Langlois Lawyers, LLP

Recognized since 2021

Montréal, Quebec

Practice Areas

Class Action Litigation

Corporate and Commercial Litigation

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Sean Griffin is a partner in the litigation group in Langlois lawyers’ Montréal office and a member of the firm’s Board of Directors.

His practice focuses on complex litigation involving constitutional, administrative and commercial law issues, as well as corporate and securities matters. With recognized expertise in defending public and private corporations, financial institutions and various entities active in the financial markets, including their directors and officers, Sean represents his clientele in a wide variety of civil and statutory proceedings, including class actions and regulatory investigations.

He also acts as strategic advisor to a number of clients on issues involving governance and regulatory compliance.

Sean appears before all levels of the courts, and also represents his clients in the context of regulatory investigations undertaken by authorities such as the Investment Industry Regulatory Organization of Canada (IIROC) and Quebec’s Autorité des marchés financiers (AMF).

A sought-after conference speaker, Sean frequently gives presentations on current issues involving commercial litigation, managing complex litigation files and litigation risk, governance, class actions and regulatory and internal investigations.

Contact & Links


  • 1250 René-Lévesque Boulevard West
    20th Floor
    Montréal, QC H3B 4W8

Langlois Lawyers, LLP
Headquarters: Montréal, Quebec

33 The Best Lawyers in Canada awards

Full Firm Profile

Recognized in The Best Lawyers in Canada 2022 for work in:

  • Class Action Litigation
  • Corporate and Commercial Litigation

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