Don Jack


Location: Toronto

Services: Commercial Litigation

Languages: English

Office: 416-734-0414

Toll Free: 1-877-236-3060

Don Jack headshot


In a career spanning more than three decades, Don has argued cases at every court level, including the Supreme Court of Canada. For him, success hinges almost entirely on preparation. Don is an effective communicator, with the skills to present thorough and persuasive arguments in court. As a member of the Firm's litigation group, Don’s practice includes the areas of commercial, administrative, class action, private, international, family and constitutional law. He has acted as lead counsel in several precedent-setting cases. He is also active in ADR, including arbitration and mediation. Don's work has been recognized by the industry, including Lexpert’s 100 Most Creative Lawyers in Canada and The Canadian Legal Lexpert Directory Ontario's repeatedly recommended corporate litigation counsel.


  • University of Toronto, Bachelor of Arts, Political Science and Economics
  • University of Oxford, Bachelor of Arts in Jurisprudence
  • University of Oxford, Bachelor of Civil Law
  • York University, Master of Laws

Cases Of Note

Airia et al v. Korean Air Lines et al

Astley v. Verdun

McCain v. Melanson

Nordion v. Atomic Energy of Canada Limited

Rea v. Pathak