Guy J. Pratte Ad. E.
Firm
308 Best Lawyers awards
Awarded Practice Areas
Biography
An award-winning and highly sought-after lawyer, Guy has experience in complex commercial litigation (including class actions), administrative law and constitutional law cases.
Guy frequently appears before the Supreme Court of Canada (SCC), the Superior and Appeal Courts of Ontario and Québec, the Federal Court (FC) and Federal Court of Appeal (FCA).
Guy was named to the Order of Canada in 2022, recognizing his contributions as a lawyer, notably to pro bono work, and for his volunteer commitments to the performing arts.
Firm
308 Best Lawyers awards
Overview
- Ontario, Law Society of Ontario, 1984
- Quebec, Barreau du Québec, 2002
- Ontario, Law Society of Ontario, 1984
- Quebec, Barreau du Québec, 2002
Client Testimonials
Awards & Focus

- Appellate Practice, Ottawa, Canada (2026)
- Administrative and Public Law, Ottawa, Canada (2024)
- Corporate and Commercial Litigation, Ottawa, Canada (2024)
- Administrative and Public Law, Ottawa, Canada (2021)
- Appellate Practice, Ottawa, Canada (2021)
- Administrative and Public Law, Ottawa, Canada (2018)
- Appellate Practice, Ottawa, Canada (2018)
- Class Action Litigation, Ottawa, Canada (2016)
- Corporate and Commercial Litigation, Ottawa, Canada (2015)
- Appellate Practice, Ottawa, Canada (2013)
- Administrative and Public Law, Ottawa, Canada (2012)
- Administrative and Public Law
- Appellate Practice
- Class Action Litigation
- Corporate and Commercial Litigation
- Railroad Law
- Transportation Law
- Arbitration
News & Media
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