Marwan Osseiran
Principal Lawyer at Osseiran Law
- Called to the bar
- 2008
- Languages
- English, French, Arabic
Criminal Defence
Civil Litigation & Dispute ResolutionCriminal DefenceCivil Litigation & Dispute ResolutionAbout Marwan
Marwan Osseiran is the principal lawyer at Osseiran Law, practicing criminal defence and civil litigation in Ontario for over 19 years. He's a barrister and solicitor with the Law Society of Ontario, admitted in 2008, and is also called to the Bar of England and Wales. He has appeared before international tribunals including the International Criminal Court, the Kosovo Specialist Tribunal, and the Special Tribunal for Lebanon.
Practice areas
Listing compiled from public sources in August 2026. Confirm Marwan Osseiran’s licence and standing in the Law Society of Ontario directory ↗