About Sébastien

Sébastien Dorion practices mainly in administrative law, municipal law, commercial litigation, and constitutional law. Dorion regularly appears before judicial and administrative tribunals throughout Quebec. Dorion advises and represents public bodies as well as private companies and organizations in litigation of all kinds. Dorion has written articles for specialized municipal-law publications and frequently speaks at conferences on topics affecting municipalities.

Practice areas

Education & credentials

Law school
Université Laval

Listing compiled from public sources in July 2026. Confirm Sébastien Dorion’s licence and standing in the Barreau du Québec directory ↗