Osler’s Litigation Department is one of the largest and most accomplished dispute resolution teams in Canada. Years of careful recruiting and rigorous training has allowed us to develop deep expertise in complex commercial litigation as well as the litigation specialties that major corporations call on most often: class actions, corporate governance and securities, insolvency, product liability, pension and employment, intellectual property, major contractual disputes, competition, tax as well as noteworthy constitutional and public law matters.

While setting new standards of accomplishment in winning commercial litigation, we also assist clients in identifying and mitigating risks that could lead to new legal exposures. Our deep knowledge of each client’s business enables us to intervene effectively to avoid lengthy proceedings or to achieve cost-effective and innovative solutions through early prevention or alternative dispute resolution.

Our litigators appear as counsel in all levels of courts in Ontario, Alberta, Québec and most other Canadian provinces, as well as in the Federal Court and the Supreme Court of Canada. Many also participate regularly in hearings before a variety of provincial and federal tribunals, such as the Financial Services Tribunal, the Ontario Municipal Board, the Environmental Assessment Board and the Ontario Securities Commission. We have represented clients in numerous private arbitrations and mediations. Our discovery management specialists work strategically with our litigators and clients to deliver an array of customized, cost effective and efficient discovery solutions. In short, Osler is home to a critical mass of top litigators in their respective fields—with the track records and the loyal and growing client following to prove it. Ask us about:

  • Appeals
  • Class Actions
  • Competition/Antitrust Litigation
  • Constitutional and Public Law
  • Construction and Infrastructure Litigation
  • Corporate Governance and Securities Litigation
  • Cross-Border Litigation
  • Defamation (Libel and Slander)
  • Discovery Management
  • Energy and Natural Resources Litigation
  • Environmental Litigation
  • Franchise Litigation
  • Insolvency and Restructuring
  • Intellectual Property Litigation
  • International Commercial Arbitration and ADR
  • Municipal Litigation
  • Pensions and Benefits Litigation
  • Product Liability
  • Professional Negligence
  • Tax Dispute Resolution
Related Expertise
  • Jazz Aviation

    Successfully represented Jazz Aviation in a complex cost benchmarking arbitration against Air Canada.

  • Shell Canada Limited

    Shell Canada Limited before the Supreme Court of Canada in the successful defence of a Leave to Appeal application by Athabasca Chipewyan First Nation in the application regarding the Jackpine Mine Expansion Project.

  • Nalcor Energy

    Successfully represented Nalcor Energy before the Federal Court of Canada in a judicial review in relation to a major hydro-electric project at Churchill Falls, Newfoundland and Labrador.

  • Shell Canada Limited

    Shell Canada Limited in the successful defence of a Leave to Appeal and Stay Application before the Alberta Court of Appeal in re: Métis Nation of Alberta Region 1 v Joint Review Panel, 2012 ABCA 352

  • Amex Bank of Canada

    Amex Bank of Canada in two class action merits trials before the Québec Superior Court involving foreign exchange conversion fees on credit cards, and claiming over $650 million in damages.

  • Beaverbrook Art Gallery

    The Beaverbrook Art Gallery in a successful public arbitration and appeal brought by the Beaverbrook Foundation of the United Kingdom in a dispute over some 130 works of art valued at over $100 million.

  • Canadian Civil Liberties Association

    The Canadian Civil Liberties Association in its intervention before the Supreme Court of Canada in a case that dealt with the right to carry a kirpan under the freedom of religion guarantee of s. 2(a) of the Charter.

  • CanWest and The National Post Company

    CanWest and The National Post Company in successfully obtaining summary judgment for $22.5 million plus compound interest against Hollinger International arising from an agreement by which an affiliate of CanWest purchased the remaining 50% interest of Hollinger International and its affiliates in The National Post Company.

  • Dell Canada Inc.

    Dell Canada Inc. in a successful appeal before the Supreme Court of Canada in a matter concerning the ability of companies to oust the provincial class actions regime in favour of a contractual arbitration.  

  • GE Capital Canada

    GE Capital Canada in a successful appeal to the Tax Court of Canada regarding an income tax assessment that denied its deduction of guarantee fees paid to its U.S. Parent. This is a major decision in the growing area of transfer pricing litigation.

A survey by the Canadian Legal Lexpert Directory recognizes Osler’s Litigation Department as “most frequently recommended” for Class Actions, and “consistently recommended” for Corporate/Commercial Litigation and Securities Litigation, with several of our legal practitioners acknowledged as leading individuals in the field. A source in Chambers Global: The World’s Leading Business Lawyers notes that "[Osler] is a well-oiled machine and I wouldn't hesitate to recommend them for large country-wide litigation matters." In addition, numerous Osler lawyers appear in Benchmark Litigation CanadaLexpert’s Guide to the Leading US/Canada Cross-Border Litigation Lawyers in Canada and Lexpert’s Special Edition on Canada’s Leading Litigation Lawyers.

  • Class Actions

    Class Action Preparedness Brief - Working with a Co-Defendant

  • Class Action Preparedness Brief - Document Management

  • CFA Franchise Law Day 2013