Sean Pierce


Telephone: 647-245-2371
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Assistant: Janine Brown
416-855-0401 ext.0500 | | Download Janine's Vcard

Sean Pierce pursues a diverse civil litigation practice. Prior to joining Chernos Flaherty Svonkin LLP, Sean served as a law clerk to Associate Chief Justice Alexandra Hoy, Justice David Paciocco, and Justice Mahmud Jamal of the Court of Appeal for Ontario. He previously completed his articles at the Constitutional Law Branch of Ontario’s Ministry of the Attorney General – Civil Law Division. Sean also worked as a legal researcher for the Long-Term Care Homes Public Inquiry, chaired by Justice Eileen Gillese.

Sean obtained his BCL and LLB from McGill University. While at law school, Sean worked as the Director of Student Advocacy for the Legal Information Clinic at McGill, where he advised and represented students at University hearings. He was also a Senior Editor for the McGill Law Journal. Prior to attending law school, Sean obtained a Bachelor of Arts (Honours) and a Master’s Degree in political studies from Queen’s University. He also completed the non-partisan Parliamentary Internship Programme, where he assisted both government and opposition Members of Parliament.


Sean has worked on

  • constitutional litigation involving the division of powers, the Charter, Aboriginal law, and tax law
  • contractual disputes
  • class actions
  • cases involving professional regulation
  • applications for judicial review of decisions from administrative tribunals


The Advocates’ Society
Canadian Bar Association
Toronto Lawyers Association

Bar Admissions

Ontario, 2019


LLB/BCL, 2017
McGill University

MA, 2012
Queen’s University

BA(H), 2011
Queen’s University


Daniel Mettarlin Memorial Scholarship, 2017

Chief Justice Greenshields Prize in Criminal Law, 2017

Montreal Bar Association Prize, 2017