Sean Campbell



Tel: +1 416 527 3934


Bar Admissions: Ontario, 2004

Practice Areas:

  • Arbitration
  • Class Action Defence
    • Advertising & Consumer Claims
    • Appellate Litigation
    • Commercial Disputes
    • Competition & Anti-Trust Litigation
    • Defamation Claims
    • Directors & Officers Liability
    • Franchise Disputes
    • Gaming Disputes
    • Professional Negligence
  • Insolvency & Creditor Disputes
  • Investigations & Regulatory Defence
  • Privacy & Technology Disputes
  • Shareholder & Securities Disputes

Sean Campbell is an experienced trial lawyer known for his innovative and enterprising approach to cases.

Sean Campbell is a founding partner of Tyr LLP. Prior to founding Tyr LLP in June 2019, he was a senior partner at Davies Ward Phillips & Vineberg LLP in the Litigation, and Financial Restructuring & Insolvency practices.

Clients in diverse sectors choose Sean to advise on commercial litigation, securities and class action litigation, shareholder disputes and competition matters. They appreciate his practical and creative approach to high-stakes, multi-jurisdictional litigation. Sean represents clients of various sizes on matters before the OSC's Capital Markets Tribunal, the Competition Tribunal and all levels of court in Canada.

Sean has represented some of Canada's largest companies in the telecommunications, mining and energy sectors, in both court and arbitration proceedings under both international and domestic arbitral regimes. Most recently, Sean was co-lead counsel in a mining dispute representing one of Canada's largest mining companies before the International Chamber of Commerce.

Community Involvement

Architectural Conservancy of Ontario


Lawyers' Professional Liability, 3rd Edition, LexisNexis, 2013. (co-author)

Professional Affiliations

The Advocates' Society

  • University of Western Ontario, LLB/MBA (With Distinction, Gold Medalist), 2003
  • McGill University, MA (English Literature), 1996
  • McGill University, BA, 1994
  • Benchmark Canada: The Definitive Guide to Canada's Leading Litigation Firms & Attorneys—Class Action (Litigation Star), General Commercial (Litigation Star), Securities (Litigation Star)
  • The Canadian Legal Lexpert Directory—Litigation: Corporate Commercial, Securities
  • Lexpert Special Edition: Ligitation
  • The Best Lawyers in Canada: Advertising and Marketing Law, Class Action Litigation, Corporate and Commercial Litigation