Mahmud Jamal’s national litigation practice includes the defence of class actions, banking litigation, constitutional and administrative law, competition/antitrust, pension, tax, copyright and other regulatory litigation. He has argued twenty-four appeals before the Supreme Court of Canada in many different fields and defended three class action merits trials. He has argued trials and appeals at all levels of court in Ontario, Quebec, British Columbia, Alberta, New Brunswick, Newfoundland & Labrador, at the Federal Court and Federal Court of Appeal, and before federal and provincial administrative tribunals such as the Competition Tribunal, the Ontario Energy Board, and the Financial Services Tribunal. He is a former law clerk to the late Mr. Justice Charles D. Gonthier of the Supreme Court of Canada and to Mr. Justice Melvin L. Rothman of the Quebec Court of Appeal. Mahmud is bilingual and has litigated trials and appeals conducted in French.