Mark Sheeley

Mark Sheeley

Sociétaire, Litige


tél.: 416 862-6791



Domaines d'expertise

Admission(s) au barreau

Ontario, 2014


  • Osgoode Hall Law School, J.D.
  • University of Western Ontario, M.A.
  • University of Victoria, B.Sc. (Hons.) (With Distinction)



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Mark is an associate in our Litigation Group. He maintains a general civil and commercial litigation practice.

Prior to joining Osler, Mark clerked for the Honourable Justices John Evans and Karen Sharlow of the Federal Court of Appeal.

Mark graduated from Osgoode Hall Law School. While in law school, Mark competed in several appellate moots, a trial moot and three ADR competitions. Mark also worked as a research assistant and teaching assistant to several faculty members. Before law school, Mark obtained a Master of Arts in Economics from the University of Western Ontario and an Honours Bachelor of Science in Economics from the University of Victoria. 

  • Top Appellant at the 2013 Bowman Tax Moot
  • Winner of the 2012 International Competition in Mediation Advocacy
  • Recipient of the Blake, Cassels & Graydon LLP Award, the Davies Ward Phillips & Vineberg LLP Award in Commercial Law, Business Associations and Tax, and the Borden Ladner Gervais LLP Professional Excellence Award 

  •  Osgoode Hall Mooting Society, Treasurer
  • Woodgreen Debt Clinic, Debt Advisor

  • Ontario Bar Association
  • Canadian Bar Association
  • Law Society of Upper Canada