1250 René-Lévesque Blvd. West, 20th Floor
Montréal, QC, H3B 4W8

+1 514 842 7872

Litigation Star



Practice area:

Class action

Sean Griffin is a partner and division head of litigation at Langlois Lawyers, in addition to being a member of the firm’s Board of Directors.

His practice focuses on complex litigation involving constitutional, administrative, public 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 internal and 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.


Updated April 2022