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Sébastien Richemont | Litigation and Dispute Resolution Lawyer in Montréal

Sébastien Richemont

Partner Fasken
Jurisdiction Québec, 1997
Language(s) French, English
Office(s) Montréal


Sébastien Richemont is a seasoned litigator within the Litigation and Dispute Resolution group in Montreal.  His main areas of practice are class actions, shareholders disputes, arbitration, manufacturer’s and professional liability, contractual litigations and securities matters.

With 25 years of trial and dispute resolution experience, Sébastien has leading-edge knowledge that allows him to understand the legal issues that clients may face while having practical know-how to support them at each step of the dispute settlement process for complex files.  He prioritizes a pragmatic approach based on effectiveness, value creation and predictability.

Sébastien has led several major assignments during his career and has represented many major institutions such as Microsoft, Intact Insurance, Air Canada and Manulife.  He is credited with obtaining favourable judgments and settlements in various cases involving several million dollars in a variety of fields such as energy, new technologies, infrastructures, manufacturing, consumer protection, and financial markets.  His proven advocacy skills have been recognized by his peers.  Sébastien is a Fellow of the Litigation Counsel of America society and has received many recognitions from legal directories such as Lexpert, Best Lawyers and Benchmark in the fields of class action, commercial litigation, securities, D&O liabilities and product liability .

In addition to his professional practice, Sébastien is an Advocate Society trainer and was the co-organizer of the professional training program sponsored by the Université du Québec à Montréal entitled “Pleading Techniques”, a 15-hour training seminar for lawyers.

Prior to joining Fasken, Sébastien practised for 21 years in a boutique firm that specialized in litigation, arbitration and insolvency.


Client Work

  • Expropriation matter for Cadillac Fairview Limited Corporation and Ivanhoe Cambridge Inc. in connection with the extension of the Société de transport de Montréal’s blue line ,
  • Air Canada in a proposed class action on behalf of Air Canada retirees, Ongoing since July 2021
  • Microsoft in a proposed class action against several video game developers, Ongoing since July 2021
  • Request for authorization for class action filed against Canada Post Corporation, Ongoing since July 2021
  • CAA-Québec Auto and Home Insurance Inc., Defendant in a class action brought against several Québec home insurer,
  • Intact Insurance, Bélair Direct And Industrial Alliance In A Class Action Instituted Against Car Insurers Across Quebec, Ongoing since December 2020
  • Desjardins Group acquires a real estate holding, including DuProprio, from Purplebricks Group plc for about C$60.5M,
  • Claim for alleged defects against a bearing manufacturer, Ongoing since June 2020
  • Intact, Novex, and Royal & Sun Alliance defend actions relating to business interruption insurance arising out of COVID-19 closures, Ongoing since April 2020

Career & Education



Community involvement

  • President, Commercial Litigation Committee - Business Law Section of the Canadian Bar Association
  • Chair of the Board of directors, Simoniaques Théâtre
  • Member, Fondation du Barreau du Québec

Memberships & Affiliations

  • Member, Québec Bar
  • Member, Canadian Bar Association


Fasken Institute



Article, Author Le nouveau Code de procédure civile – où en sommes-nous en litige commercial? Canadian Bar Association (as part of the Training Day on the New Code of Civil Procedure)
Article, Author La responsabilité des administrateurs et dirigeants dans le contexte de fusions et acquisitions Federated Press
Article, Co-Author Le droit fédéral de la concurrence et les appels d’offres au Québec : assurer l’intégrité du processus sans tomber dans la chasse aux sorcières Développements récents en droit de la construction, Vol. 354, Éditions Yvon Blais

Speaking Engagements

Co-speaker Revue annuelle de la jurisprudence en matière de litige commercial Annual professional training organized by the Commercial Litigation of the Business Law Section of the Canadian Bar Association
Co-speaker Les nouvelles règles en matière de procédures abusives (articles 54.1-54.6 C.p.c.) Canadian Bar Association
Composer avec les sanctions de l’abus de procédures : en avant la musique! Congrès annuel du Barreau du Québec


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