Jonathan C Lisus

Practice Areas

Jonathan’s practice focuses on commercial and public law trial and appellate litigation. He has deep experience with infrastructure and P3-related litigation, class actions for plaintiffs and defendants, product liability, oppression remedies, Aboriginal land claims and securities litigation.

Described by his peers as ‘the gold standard in this space, a phenomenal litigator’, for more than 30 years Jonathan has won landmark decisions across a broad variety of subject matter including competition law, constitutional law, liability of public authorities, professional liability, criminal law, financial services, franchise law, and contract disputes. He has tried over 90 cases to judgment and argued over 55 appeals in provincial appellate courts and the Supreme Court of Canada.

Jonathan regularly appears as Special Counsel to the Canadian Civil Liberties Association in challenges to government action. He is a Fellow of the American College of Trial Lawyers, the International Academy of Trial Lawyers, a member of the Chief Justice of Ontario's Advisory Committee on Professionalism, and a member of the Supreme Court Advocacy Institute.