Tris Mallett’s practice focuses on corporate litigation, class action defence, and securities enforcement. He frequently advises clients on contested merger transactions; takeover bid litigation; shareholder dissent, and appraisal litigation and shareholder derivative claims; securities misrepresentation, fraud, and insider trading matters; prosecutions undertaken by regulatory authorities and industry organizations; and related internal investigations. Tris also defends class action claims usually in the securities, competition/anti-trust, or product liability areas. These class action defence engagements are often multi-jurisdictional and cross-border in nature requiring strategic coordination with counsel in other jurisdictions including most frequently the US and Europe. Tris has acted in proceedings before various courts in Alberta, Ontario, and BC; federal and appellate courts; and before a variety of administrative and regulatory tribunals, as well as in various arbitration and mediation settings. Tris has written articles and spoken at continuing legal education conferences on such matters as developments in mergers & acquisitions litigation and class actions.