Blake, Cassels & Graydon LLP's practice group is well-placed to handle diverse competition law matters, including merger reviews, cartel investigations, abuse of dominance cases, advertising matter and competition law class actions. The group is frequently instructed by banks and domestic and international companies in the healthcare, energy, pharma and retail segments. Navin Joneja and Julie Soloway, both based at the Toronto office, share leadership of the practice and take care of the gamut of Canadian competition and foreign investment matters. Additional key contacts include Randall Hofley, who is well-versed in litigation before the Canadian Competition Bureau; Cassandra Brown, who brings strength to matters involving distribution practices, criminal and civil investigation and foreign investment transactions; Kevin MacDonald, who manages files related to marketing and distribution practices and abuse of dominance cases); and Jonathan Bitran, who joined the firm from McCarthy Tétrault in August 2023.

The practice at Davies Ward Phillips & Vineberg LLP is equipped to handle the range of competition law matters, as well as merger, foreign investment and national security review. In addition to representing clients in competition litigation cases brought under the Competition Act, the team routinely provides advice on advertising, marketing and distribution practices and general regulatory compliance. Toronto-based partners Anita Banicevic and John Bodrug share leadership of the practice. Banicevic specializes in merger review, confidential criminal investigations and civil investigations, and has particular experience assisting retail, pharma, telecoms and aerospace-sector clients. Bodrug also handles internal investigations and merger review, as well as pricing, distribution and advertising matters. Additional key contacts for competition law and foreign investment review include Mark Katz, Elisa Kearney, Charles Tingley and Jim Dinning.

McCarthy Tétrault's ‘extremely experienced and knowledgeable’ team is well-placed to handle a range of advisory and contentious competition law matters, namely merger, joint venture and foreign investment clearance, Competition Bureau investigations and litigation. Practice head Jason Gudofsky specializes in advising clients on the competition law aspects of mergers, strategic alliances, joint ventures and other commercial transactions, as well as dealing with cartel investigations and compliance matters. Additional key contacts include merger control specialists Oliver Borgers and Debbie Salzberger; litigator Nikiforos Iatrou; and Casey Halladay, who focuses on cartels and contentious matters. Montreal-based Dominic Thérien majors on merger review and criminal cartel and bid-rigging investigations. All named lawyers are based at the Toronto office unless otherwise stated.

The practice group at Stikeman Elliott LLP is routinely called upon by aerospace, telecoms, pharma and retail-sector clients for its expertise in merger review, competition litigation, criminal investigations, class actions and abuse of dominance cases. Toronto-based partner Michael Kilby steers the group and focuses his practice on merger and national security reviews, foreign investment approvals, national security reviews, pricing and distribution practices, misleading advertising and anti-corruption matters. Additional key contacts include Michael Laskey, who specializes in the review of transactions under the Competition Act and the Investment Canada Act; Katherine Kay, who brings expertise to competition litigation; and Peter Flynn, who was promoted to the partnership in January 2024. David Feldman is the key senior associate-level contact.

Bennett Jones LLP‘s practice handles merger and foreign investment review, as well as competition litigation. Leadership of the group is shared between Washington, DC-based Melanie Aitken, who previously acted as Canada’s Commissioner of Competition, and Toronto-based Randal Hughes. Both specialize in global antitrust and competition law, as well as litigation. Additional key contacts include Adam Kalbfleisch, who manages foreign investment review and regulatory matters; and litigator Emrys Davis, who focuses on criminal and civil investigations and class action defences. May 2023 saw the opening of a new office in Montréal under the leadership of office managing partner Pascale Dionne-Bourassa, who handles litigation, including claims involving alleged competition law violations.

Fasken's practice group covers the gamut of Canadian competition law work, namely M&A review, cartel matters, abuse of dominance cases and competition and consumer protection litigation. A recent mandate of note saw the group advise Cisco on its acquisition of Accedian, successfully obtaining approval from the Competition Bureau. Huy Do and Antonio Di Domenico, both at the Toronto office, share leadership of the practice. Do focuses on antitrust, marketing and foreign investment law matters; Di Domenico’s practice takes in merger reviews, civil and criminal investigations and class action litigation. Also noted is Chris Margison, who draws on experience as special advisor to the Commissioner of Competition.

The practice group at Torys is well-versed in providing financial, retail, energy and healthcare-sector clients with strategic competition advice for M&A transactions, as well as representing them in competition law disputes. Dany Assaf, Omar Wakil and Linda Plumpton co-lead the practice from Toronto. Assaf and Wakil take care of the range of competition law and foreign investment matters; Plumpton majors on class action defence and competition and securities litigation. Litigator James Gotowiec and senior associate Rebecca Wagner, who handles Competition Act compliance, including complex merger transactions, are additional key contacts. All lawyers mentioned are based at the Toronto office.

Borden Ladner Gervais LLP's antitrust capabilities take in contentious and advisory work, including class action defence, merger and foreign investment review and advising on federal regulatory regimes. The practice has particular experience advising companies in the tech and e-commerce sectors, and counts household names Amazon, Meta, Samsung and Netflix among its key clients. The group is directed by Toronto-based Subrata Bhattacharjee, who routinely advises tech companies on competition and regulatory matters. Also noted is Toronto-based Denes Rothschild, who specializes in merger and foreign investment review matters.

Norton Rose Fulbright's team takes care of the range of Canadian competition law mandates, namely cartels, merger review and criminal and civil antitrust litigation. The group is also well-versed in high-profile Bureau cartel investigations and ensuring compliance with the Investment Canada Act. Toronto-based practice head Chris Hersh specializes in M&A review, abuse of dominance cases and pricing and distribution issues. Montreal-based Eric Lefebvre and Calgary-based Rujuta Patel are additional key contacts for competition litigation and foreign investment review matters, respectively.

Baker McKenzie's practice group regularly assists Canadian and international clients on a range of transactional merger control and foreign investment review matters. Additional areas of focus include antitrust counselling relating to commercial activities and handling contentious matters before Canadian judicial and enforcement authorities. Antitrust-focused Arlan Gates steers the practice from Toronto. Nancy Hamzo specializes in M&A and foreign investment requirements in Canada.

Cassels Brock & Blackwell LLP's competition and antitrust capabilities take in cartel defence, regulatory matters, litigation and merger and foreign investment review. The group, which assists domestic and international clients alike, is steered by Davit Akman, who handles foreign investment review, cartels, advertising and marketing practices and abuse of dominance cases. Litigator Lara Jackson is active in competition class actions.

Dentons' antitrust and competition law expertise encompasses merger reviews, abuse of dominance cases, pricing practices, distribution arrangements and advertising mandates. The practice is jointly directed by a duo of Toronto-based partners: Sandy Walker and Adam S. Goodman. Walker is experienced in M&A reviews, and Goodman is well-versed in class action defence, cartel defence and merger clearance under the Competition Act and the Investment Canada Act. Edmonton-based senior counsel Barry Zalmanowitz KC is an additional key contact. Litigation-focused partner Marina E Sampson left the firm in February 2024.