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SNC-Lavalin inc. c. Deguise: Explanatory Comments

On April 6, the Court of Appeal of Quebec released its decision in SNC-Lavalin inc. (Terratech inc. et SNC-Lavalin Environnement inc.) c. Deguise, 2020 QCCA 495.

Considering the importance of this decision for both the construction and insurance industries, RSS offers a series of infoletters discussing the main issues at stake.

Title Author
The Decision on the Leading Case: The Facts, The Parties, The Legal Issues Chantal Noël
Liability of General Contractors Pursuant to Article 2118 of the Civil Code of Québec Jean-Philippe Savoie
Warranty Against Latent Defects Pursuant to Article 1726 C.C.Q. Applied to Providers of Building Materials Jean-Philippe Savoie
The Professional Responsibility of the Geologist Alice Bourgault-Roy
Whose Fault Is It and In What Proportion? Jeanine Guindi
Proof of Damages Sarah Bouzo
Insureds’ Omission to Declare All Facts Relevant to the Risk Chantal Noël
Application of the “Prior Insurance and Non-Cumulation of Liability” Clause Nicolas Pfister
Excluding the Risk Related to Pyrrhotite Eloïse Robichaud
Date of Occurrence and the Trigger of Coverage Jean-François Lamoureux
Coverage Based on Claims Made and Reported: No Limitation for Reporting During More Than One Period of Insurance Jeanine Guindi
Can a Retroactive Date Be Included by an Excess Insurer in a Follow Form System? Mariella De Stefano
The Rights of the Injured Third Party at the Centre of the Decision Stéphanie Beauchamp
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Articles in the same category

Not So Intelligent!

Since the widespread adoption of artificial intelligence tools, growing concerns have emerged regarding their use in judicial proceedings. Recent decisions have relied on section 342 of the Code of Civil Procedure to sanction parties who make improper use of such tools. More specifically, this provision has been invoked on several occasions to address the use or citation […]

So? Is it settled or not?

In an interim decision in Djaferian v. Spanoudakis,rendered on February 20, 2026, the Superior Court had to determine whether an offer made 15 months earlier, prior to the institution of proceedings, could still be accepted and result in a transaction. Summary of Facts and Timeline The Plaintiff, a co-owner who sustained water damage to his private […]

Office Parties and the Employer’s Duty to Prevent Harassment

In De Sousa and Corporation interactive Eidos, 2026 QCTAT 4, the Quebec Administrative Labour Tribunal (ALT) appears to have broadened the scope of an employer’s obligation to prevent harassment. The decision arose from a complaint filed by a former employee who had been sexually assaulted at her home by a colleague following an office party organized by the […]

Should Economic Losses Be Considered Property Damage?

The Quebec Court of Appeal in Zurich, Compagnie d’assurances SA c. CRT Construction inc., recently overturned the Superior Court’s decision on the interpretation of a construction insurance policy. Facts CRT Construction Inc. (“CRT”) was retained by the City of Montreal (“City”) to perform major construction work at the Atwater water treatment plant. At the City’s request, CRT […]

The Court of Appeal delves deep into the parties’ intentions and claimant hits a wall…

The Facts In the context of a project for the construction of a ten-storey condo building, the excavation contractor subcontracts the design and installation of a Berlin-type retaining wall (the “Wall”) to Phénix Maritime inc. (“Phénix”) which, in turn, subcontracts the design to Les Investigations Marcel Leblanc inc. (“IML”). Problems arise that substantially delay the […]

New CAI Guidance on Preventing Confidentiality Incidents: A Practical Roadmap for Businesses in Quebec

On January 30, 2026, Quebec’s privacy regulator, the Commission d’accès à l’information (“CAI”), published fresh guidance aimed at strengthening how organizations prevent confidentiality incidents involving personal information. Confidentiality incidents are one of the most significant privacy risks facing organizations today. In Quebec, these incidents are governed by several laws, including the Act respecting the protection […]