A dynamic and well supported team

Our team consists of both young and dynamic lawyers, hired through a demanding and selective process, and experienced lawyers. Together, they provide our clients with multidisciplinary expertise and strategic advice, whether for a trial, a negotiation or an opinion in a full range of legal areas.

Mtre Sébastien Dionne obtained a Bachelor of Laws (LL.B.) and a Juris Doctor (J.D.) from the University of Sherbrooke in 2017.

During his studies, Mtre Dionne was a proud ambassador of the Faculty of Law and was greatly involved as a student with the Pro Bono Student Canada Network, whose mission is to provide free legal services, as well as the Legal Aid Office, Civil Section, in Coaticook. Upon completion of his studies, he was awarded the prize for the best thesis in the Juris Doctor’s program, which was a critical analysis of the state of law regarding the legal status of the human body regarding the emergence of biotechnology and the commercialization of the human body.

Having started his practice in Montreal, his practice is mainly focused on civil and commercial litigation, with an emphasis in the real estate and construction law sectors. He advises businesses and individuals, drafts legal opinions and pleadings, and represents his clients before the various judicial bodies in Quebec.

Mtre Dionne is motivated by finding and applying solutions and the implementation of practical strategies adapted to the needs of his clients.

Admission to the Quebec Bar



LL.B. Université de Sherbrooke, 2017

J.D. Université de Sherbrooke, 2017


Legal column entitled “L’imputabilité des retardes dans la réalisation d’un projet [de construction]”, Via Bitume, May 2020

Commentary on the decision Sopropharm v. Groupe Jean-Coutu (PJC) inc. – Class action relating to the legality of royalties paid by a franchised pharmacist to his franchisor (collaboration), La référence Yvon Blais, EYB2019REP2666, February 2019

Commentary on the decision 9268-4042 Québec inc. v. 9301-0163 Québec inc – The consequences of a violation of the tax laws in force at the time of the purchase of a restaurant (collaboration), La référence Yvon Blais, EYB2018REP2597, November 2018

Spoken and written language(s)

French and English

Native City

Montréal, Québec