- 19+
- Years practicing
- 1
- Bar admission
Are you Sean Griffin?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
Sean Griffin is an attorney based in Montréal, QUEBEC. The practice focuses on Appellate, Business, and Class Action. Sean has over 19 years of legal experience.
- Based in
- Montréal, QUEBEC
- Experience
- over 19 years
- Known for
- Appellate · Business · Class Action
- Handles Appellate, Business, and Class Action matters from Montréal, QUEBEC.
- Over 19 years of practice as a licensed attorney.
- Recognized with Lawyer of the Year — Appellate Practice, Montréal (Canada) (2026).
About Sean Griffin: Sean Griffin is an attorney based in Montréal, QUEBEC. The practice focuses on Appellate, Business, and Class Action. Sean has over 19 years of legal experience.
Areas of practice
Practice focus
Sean Griffin represents clients across the following areas of law. Each area links to other verified attorneys with the same focus.
Biography
About Sean Griffin
Sean Griffin is a partner in the litigation group in Langlois lawyers’ Montréal office and a member of the firm’s Board of Directors.
His practice focuses on complex litigation involving constitutional, administrative and commercial law issues, as well as corporate and securities matters. With recognized expertise in defending public and private corporations, financial institutions and various entities active in the financial markets, including their directors and officers, Sean represents his clientele in a wide variety of civil and statutory proceedings, including class actions and regulatory investigations.
He also acts as strategic advisor to a number of clients on issues involving governance and regulatory compliance.
Sean appears before all levels of the courts, and also represents his clients in the context of regulatory investigations undertaken by authorities such as the Investment Industry Regulatory Organization of Canada (IIROC) and Quebec’s Autorité des marchés financiers (AMF).
A sought-after conference speaker, Sean frequently gives presentations on current issues involving commercial litigation, managing complex litigation files and litigation risk, governance, class actions and regulatory and internal investigations.
Jurisdictions
Bar admissions
Quebec, Barreau du Q
2007 · ACTIVE
Recognition
Awards & honors
Lawyer of the Year — Appellate Practice, Montréal (Canada)
2026
Best Lawyers in America — Administrative and Public Law
2026
Best Lawyers in America — Appellate Practice
2026
Best Lawyers in America — Banking and Finance Law
2026
Best Lawyers in America — Class Action Litigation
2026
Best Lawyers in America — Corporate and Commercial Litigation
2026
Locations
Office locations
Client feedback
Client reviews
No reviews yet
Only verified clients who have consulted with Sean Griffin can leave a review.
Schedule your consultationFrequently asked
Common questions
What areas of law does Sean Griffin practice?
Sean Griffin focuses on Appellate, Business, Class Action, Government, and Litigation.
How experienced is Sean Griffin?
Sean Griffin has 19 years of legal practice, having been licensed since 2007.
Is Sean Griffin a verified attorney?
Sean Griffin's profile is listed but has not yet been claimed by the attorney. Verification status is pending.
How can I schedule a consultation with Sean Griffin?
You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 514-842-9512.