Patricia Jackson > Torys > Toronto, Canada > Lawyer Profile


Work Department

Dispute Resolution


Patricia (Trisha) Jackson is one of Canada’s most esteemed litigators, known for highly sophisticated advocacy defending her clients’ interests on disputes of all levels of complexity.

Trisha is a senior trial and appellate litigator with a broad practice, including corporate and commercial litigation, class actions, securities, professional negligence, defamation and other media law, environmental and energy, constitutional and administrative law. She has appeared as counsel at every level of court in Ontario, in the Federal Court of Canada and in the Supreme Court of Canada, as well as before administrative tribunals.

Trisha assists clients on their most high-profile and sensitive matters, including her work as counsel to a special legislative committee inquiring into the release of confidential information by a member of government and as Commission Counsel to the Commission of Inquiry concerning the Kingston Prison for Women.


Ontario Bar, 1979


Trisha is a Fellow of the American College of Trial Lawyers and was the recipient of the 2009 Law Society of Upper Canada Medal and the 2015 Ontario Bar Association Award for Excellence in Civil Litigation. She is a frequent speaker and lecturer at the Law Society of Upper Canada, Senior Legal Executives’ Forum, Canadian Bar Association, The Advocates’ Society, Insight, The Canadian Institute, American Bar Association, University of Toronto and Osgoode Hall. She has also been a guest instructor in advocacy at the University of Toronto and Osgoode Hall Law School.

Trisha serves as president of the Canadian Foundation of the American College of Trial Lawyers; trustee of the American Foundation of the American College of Trial Lawyers; director and a member of the board of directors of the Canadian Civil Liberties Association; director of the Osgoode Society; the senior chair of the University of Toronto Tribunal; an active member, and former director, of The Advocates’ Society; a former member of the Ontario Judicial Council; and a former director of the Legal Education and Action Fund Foundation. She is also a director of the prestigious Canadian Institute for Advanced Legal Studies.

Lawyer Rankings

Canada > Dispute Resolution

(Leading individuals: Ontario)

Patricia JacksonTorys