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Nicolas-Karl Perrault, Associate

Nicolas-Karl Perrault

Associate Fasken
Jurisdiction Québec, 2014
Language(s) French, English
Office(s) Montréal


Nicolas-Karl is a lawyer in the Litigation and Dispute Resolution group at our Montréal office.  His practice, although varied, is mainly focused on cases involving product liability, disputes in the construction industry and consumer law.

Nicolas-Karl represents manufacturers and distributors in various industries (automotive, pharmaceutical, medical products, consumer products, etc.), in both individual and collective actions.  Clients rely on Nicolas-Karl to provide advice on their rights and obligations arising from conventional or legal warranties, particularly with regard to hidden defects, security defects or misleading representations.

Versatile, rigorous and efficient, Nicolas-Karl works closely with the best experts to defend the rights of his clients.  Since 2022, Nicolas-Karl has been part of the “Ones to Watch” list of Best Lawyers in Canada for his expertise in product liability and construction law.

Nicolas-Karl also specializes in questions related to the Consumer Protection Act requirements and regulations, whether in the context of litigation or for the revision of contracts or commercial practices.

With experience in construction litigation, he represents and advises general contractors, developers, subcontractors and suppliers, specifically in relation to contractual liability, construction defects, project management, professional liability, legal hypothecs, calls for tenders and termination of contracts.

Finally, Nicolas-Karl advises clients in the context of disputes involving the interpretation of commercial contracts, franchisor-franchisee relationships, disputes between shareholders and insurance coverage.


  • Recognized as Ones to Watch in Construction Law and in Product Liability Law in Montreal, The Best Lawyers in Canada 2022 to 2023
  • Dean’s list, University of Montréal (2013), Université de Montréal 2013
  • Robinson Sheppard Shapiro award for excellence in insurance law, University of Montréal (2013) , Université de Montréal 2013

Client Work

  • Blockades on Canadian Pacific Railway Company’s Railways Across Canada, Ongoing since July 2021
  • Microsoft in a proposed class action against several video game developers, Ongoing since July 2021
  • Settlement of a $1.7 million claim for hidden defects in garage doors,
  • Settlement of a claim for reimbursement of instalments paid for the purchase of a penthouse-style unit,
  • Claim for alleged defects against a bearing manufacturer, Ongoing since June 2020
  • Representation of Reliance Construction of Canada Ltd. in a claim for damages following the termination of a construction contract, Ongoing since April 2020
  • Representation of a landlord against unpaid contractor claims resulting from work requested by a tenant, Ongoing since February 2020
  • Representing Allergan in class actions and mass tort individual lawsuits relating to breast implants, Ongoing since January 2020
  • American Brands S.A. c. Capmatic Ltd.,

Career & Education


  • LLB Université de Montréal


Fasken Institute



Article, Co-Author Comment on the Paquette v. Samsung Electronics Canada Inc. decision - A product recall does not always justify an authorization for class action Repères, Éditions Yvon Blais

Speaking Engagements

L’outrage au tribunal comme sanction de la violation d’une ordonnance d’injonctions en matière de non-concurrence Seminar - Développements récents en droit de la non-concurrence organised by the Barreau du Québec


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