Tristram'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. Tristram 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. Tristram 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. Tristram has written articles and spoken at continuing legal education conferences on such matters as developments in mergers & acquisitions litigation and class actions.
On March 21, 2016, Suncor Energy Inc. (Suncor) completed its acquisition of Canadian Oil Sands Limited (COS). The transaction began as an unsolicited take-over bid made by Suncor on October 5, 2015, under which Suncor offered 0.25 of a Suncor share for each COS share, and was subsequently completed following the signing of a Support Agreement by Suncor and COS on January 17, 2016, pursuant to which Suncor agreed to increase its offer price to 0.28 of a Suncor share for each COS share, with the amended offer supported by the COS board of directors.