This is a photo of Photo Jean-Simon Castonguay




Contact by email at [email protected]

t. +1 514-397-7088


Law School

Université Laval

Bar Admission

Québec, 2019

Jean-Simon Castonguay is an associate in our Litigation Group in Montréal. His practice focuses mainly on civil and commercial litigation and professional liability.

Jean-Simon obtained a bachelor’s degree in civil law (LLB) from Université Laval in 2016, finishing first in his class. In 2018, he received a degree in common law (JD) from Queen’s University.

In 2018-2019, Jean-Simon clerked with the Honourable Clément Gascon at the Supreme Court of Canada.

Jean-Simon was called to the Quebec Bar in 2019.