Jean-Bernard Dehaut

Lawyer, Partner - Montréal

Québec Bar 2012
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Jean-Bernard Dehaut is a partner in the litigation group at Langlois Lawyers’ Montréal office. His practice focuses mainly on construction law.

As part of his practice, Jean-Bernard deals with various types of claims involving surety bonds, legal hypothecs and other construction work disputes. Whenever possible, Jean-Bernard will seek ways to prevent future litigation potentially arising from similar causes.

Additionally, Jean-Bernard acts on contractual and regulatory matters, including licensing issues. He is a member of multiple construction industry associations.

He represents many stakeholders from the construction industry, including general contractors and a number of subcontractors.


LL.B., Université de Montréal, 2011

Bachelor of Business Administration, HEC Montréal, 2008

Representative Work

Claim for a large company under indemnity agreements.

Supported general contractor of a recreational project in concluding major contract.

Assisted key corporate clients in obtaining RBQ licences.





2021 – “Warranties: What Do They Imply, and How Long Do They Last?”,  presented to engineering students at Concordia University, February.

2019 – L’importance du contrat, Legal Symposium jointly organized by the CMMTQ (Master Pipe Mechanics Corporation of Québec) and the CMEQ (Master Electrician Corporation of Québec), October.

Professional Associations

Young Bar of Montréal

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