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McCarthy Tétrault

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McCarthy Tétrault houses a strong Ontario disputes practice which counts class action, product liability, professional liability and securities litigation, as well as white-collar defence, arbitration and regulatory matters, among its specialties. The team is regularly engaged in disputes touching on mining, environmental, Aboriginal and energy matters. Arbitration, technology, professional negligence and contractual disputes specialist Thomas N.T. Sutton heads up the almost 140-strong group. Paul Steep majors on securities litigation and has experience appearing before all levels of Ontario courts, as well as the Supreme Court of Canada; Sarit Batner has particular experience in matters involving breach of contract, professional negligence and shareholder disputes. Junior Sirivar chairs the firm’s international arbitration group and is well-versed in mining, banking, healthcare and telecoms disputes. Other key names include Moya Graham, Christine Lonsdale and Adam GoldenbergEric Block left the firm in July 2023. Marina Sampson joined in February 2024.

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Key clients

  • Abbott Laboratories
  • Bank of Montreal
  • Bell Canada
  • Canadian Imperial Bank of Commerce
  • Infrastructure Ontario
  • JUUL Labs
  • Metrolinx
  • Nigig Power
  • Pretium Resources
  • Rio Tinto
  • Rothmans, Benson & Hedges
  • Sanofi
  • The Toronto-Dominion Bank

Lawyers

Hall of Fame

The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

R Paul Steep

R Paul Steep

Hall of fameMcCarthy Tétrault

Litigation partner based in Toronto, with a broad commercial litigation practice that focuses on securities litigation including class actions. Has appeared before all levels of the Courts of Ontario, including the Supreme Court of Canada. Acts in major commercial disputes, including contractual disputes, all forms of securities litigation, directors’ and officers’ liability cases, banking litigation, and class actions. Regularly appears before the OSC on a variety of regulatory and enforcement matters, and acts on behalf of corporations and individuals subject to OSC investigations.

Leading Individuals

Sarit Batner

Sarit Batner

McCarthy Tétrault

Successful trial and appellate practice, focused on complex commercial litigation and arbitrations. Extensive trial and appellate experience including in cases considering breach of contract, patents, shareholder disputes, taxation, oppression, professional negligence, and breaches of fiduciary duties. Appears before juries, arbitration panels, administrative and regulatory tribunals, and appellate courts of all levels, including the Supreme Court of Canada.

Junior Sirivar

Junior Sirivar

McCarthy Tétrault

Junior is a Partner and co-chair of McCarthy Tétrault’s International Arbitration Group. Junior advises domestic and international clients across a broad range of industries, including mining, banking and telecommunications in complex commercial disputes. Junior provides strategic advice and has argued numerous cases before tribunals seated in a variety of venues. Junior has also acted as trial and appellate counsel in numerous civil matters, appearing before all levels of court in Ontario.

Next Generation Partners

Adam Goldenberg

Adam Goldenberg

McCarthy Tétrault

Adam is a litigation partner at McCarthy Tétrault. His trial and arbitration practice focuses on commercial and regulatory disputes. He has particular expertise in appeals and judicial reviews. Clients value Adam’s advice on complex business problems, his agility in handling urgent issues, and his prowess in the courtroom. He has litigated matters in the courts of Ontario, British Columbia, Alberta, Saskatchewan, Manitoba, and New Brunswick, as well as the federal courts. He has been counsel in more than 20 appeals to the Supreme Court of Canada. Adam regularly acts pro bono for individuals and public interest organizations, including in high-profile matters affecting the LGBTQ2S+ community. Adam serves on the Leadership Council of the World Justice Project, an independent, multidisciplinary organization working to advance the rule of law worldwide. Early in his career, he was a law clerk to Chief Justice Beverley McLachlin at the Supreme Court of Canada. He has taught appellate practice and procedure at the University of Toronto and lectured at law schools across Canada on constitutional and administrative law.

Practice head

The lawyer(s) leading their teams.

Thomas N.T. Sutton