Oliver Borgers > McCarthy Tétrault > Toronto, Canada > Lawyer Profile

McCarthy Tétrault
66 Wellington Street West
Suite 5300, TD Bank Tower Box 48
Toronto ON M5K 1E6

Work Department



Practice focuses on all aspects of antitrust law, foreign investment and national security review. Emphasis on application of these laws to mergers, acquisitions, notifications and market conduct. Regularly provides merger advice to major global companies. Has obtained competition and foreign investment clearances for Canada’s largest transactions, among many others.


Partner, McCarthy Tétrault, (Toronto); Former managing partner of UK offices of McCarthy Tétrault; Teaches competition law at Western University (London); Ontario Bar; England and Wales Bar; BA (Hon.); LLB; LLM.


Speaks English, French, German, Spanish.


Former Chair of National Competition Law Section (Canadian Bar Association); Founder, Foreign Investment Review Committee; Former Chair, Mergers Committee (CBA); ABA task force on Antitrust, Consumer Protection and Diverse Consumers; Founder, Canadian-German Lawyers’ Association; Member of Studienvereinigung Kartellrecht (German Antitrust Law Association).

Lawyer Rankings

Canada > Competition and antitrust

(Leading individuals)

Oliver BorgersMcCarthy Tétrault

McCarthy Tétrault has invested significantly in its competition and antitrust practice, and as such is well equipped to advise on the full range of matters in this field. The team often collaborates with the firm’s M&A department, providing merger control and foreign investment review services on major deals. Highlights in this space included Jason Gudofsky and Deborah Salzberger‘s advice to LSE Group on the $27bn acquisition of Refinitiv. On the investigations and litigation side it offers similar experience, having handled civil and criminal cartel investigations, deceptive advertising cases and class actions before federal courts and the Competition Tribunal. Its industry expertise is likewise broad, covering technology, transportation, financial services, real estate and other sectors. Gudofsky leads the practice from Toronto, and is known for his international work, both in foreign investment and national security reviews. Oliver Borgers is also notable for this type of work. Donald Houston leads litigation, with both civil court and class action experience. Dominic Thérien is a key contact in the Montréal office.