Jason Gudofsky > 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



Jason is the Chair of McCarthy Tétrault’s Competition/Antitrust & Foreign Investment Group. He has over 20 years of experience advising on all aspects of competition law, including mergers, joint ventures and alliances, and both civil and criminal investigations. Significant recent mandates include: WestJet on the Competition Bureau’s review of alleged predatory pricing and on its proposed transborder joint venture with Delta, AstraZeneca/Alexion Pharmaceuticals, Aon/Willis Towers Watson AbbVie/Allergan, Fiserv/First Data, Harris Corporation/L3 Technologies, and Walt Disney/21st Century Fox. Jason also advises on foreign investment/national security reviews under the Investment Canada Act, including the following significant transactions: Cineworld/Cineplex, Zijin Mining/Continental Gold, CCCI/Aecon and CNOOC/Nexen. Jason is regularly relied upon to provide risk assessments, internal audits and navigate sensitive matters through the relevant Canadian governmental authorities. Jason previously worked for three years at a leading international law firm in Brussels.


Past Chair and Vice-Chair of CBA committees, and active member of the ABA.


BA, LLB, MES and Postgraduate Diploma in EC Competition Law

Lawyer Rankings

Canada > Competition and antitrust

(Leading individuals)

Jason GudofskyMcCarthy 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.