Jean-François Vézina

Lawyer, Partner - Montréal

Québec Bar 2002
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Jean-François Vézina is a partner in the civil and commercial litigation group in the Montréal office of Langlois Lawyers and he is also a member of the firm’s Board of Directors. He specializes in construction law.

Over the past decade, he has represented owners, developers, general and specialized contractors, suppliers and equipment manufacturers in numerous construction projects.

Jean-François’ practice also includes various commercial litigation matters involving class actions, product liability and professional liability. He has appeared before the Superior Court as well as the Court of Appeal of Québec on numerous occasions.

Representative Work

Acted as legal counsel to an engineering firm in connection with multiple lawsuits seeking more than $10 million in damages brought by the City of Gatineau and several of its residents following major flooding allegedly caused by deficiencies and faulty workmanship affecting the retention basin designed and built by Dessau Soprin Inc.

Counsel to investors, owners and contractors involved in industrial and residential construction projects.

Acted as legal counsel to an engineering firm in connection with two lawsuits seeking nearly $8 million in damages brought by the owner of a spa operated on a boat and its insurer alleging problems in the design of geothermal heating and air conditioning systems.

Acted as legal counsel to an engineering firm that was part of a consortium involved in the construction of a bridge over the Jacques-Cartier River, in connection with a lawsuit seeking nearly $4 million in damages brought by the general contractor on account of alleged additional costs incurred in performing the construction  work.

Acted for a syndicate of co-owners of a residential condominium building in Montreal in connection with a lawsuit seeking nearly $4 million in damages brought by all stakeholders involved in the construction of the building, following major water infiltration problems.

Represented the proponent of a world-class large tonnage nickel mining project in Madagascar, in the context of a governmental audit of its financial, technical and environmental operations.

Represented a prestigious academic institution in an $11 million court action for damages against engineers and a construction manager pursuant to the construction of a new laboratory for the school, raising important issues relating to the liability of professionals for faulty design, estimation errors and the mismanagement of work.

Represented a federal corporation in an action regarding the cancellation of the acquisition of 15 boarding gates, which resulted in nearly $8 million in damages.

Acted for an important provincial institution in connection with the construction of a major architectural project regarding the analysis of submissions, the awarding of contracts and the ensuing claims; also representing it in legal actions brought by and against this institution totalling over $7 million.

Represented a petroleum company in connection with a class action instituted following the Lac-Mégantic train derailment in 2013.




Langlois Knowledge

External Conferences


2018 – “Cyber-risques et cyber-assurance” (Cyber-Risks and Cyber-Insurance), presentation with David C. Roux to the Canadian Insurance Claims Managers Association, May 9, 2018, Montreal.

2018 – “Analyse des demandes de paiement, paiement précoce ou tardif et hypothèques légales : interrelations, risques et limitations” (Analysing payment requests, early or late payments and legal hypothecs: interrelations, risks and limitations), presentation with Antoine Bigenwald to the Quebec association of construction estimators and economists (AEÉCQ), March 1, 2018, Montreal.


Since 2016 – President of the theatre company Orange Noyée’s board of directors

2013-2016 – President of the Centre des auteurs dramatiques du Québec (CEAD) Foundation’s board of directors

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