Osler’s National Disputes team advises on and solves business-critical issues for Canadian, as well as global, organizations.
Best known for handling multijurisdictional class actions and complex corporate/commercial litigation, we defend major institutional clients on high-profile (“bet-the-company”), precedent-setting cases across various industries and at all levels of courts in Ontario, Alberta, Québec, British Columbia and most other provinces, as well as in the Federal Court and the Supreme Court of Canada. We regularly appear 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 and Alberta Securities Commissions and represent clients in various forms of alternative dispute resolution.
While always ensuring our clients are litigation ready, we help our clients develop effective risk management strategies to proactively address potential exposures and mitigate the threat of complex litigation. However, when litigation is unavoidable, we defend our clients in a strategic, coordinated and cost-effective manner. Osler’s Dispute Resolution & Risk Management team has experience in all types of disputes including constitutional and public law, corporate governance, securities, defamation, energy and natural resource, environmental, franchise, consumer protection, intellectual property, privacy, pension and benefits, product liability, professional negligence, tax disputes and white-collar defence. We also leverage the expertise of Osler Works – Disputes, our specialized litigation support group composed of multidisciplinary professionals with dedicated expertise in legal technology, process improvement and management, project management and eDiscovery services.
Areas of Focus
Key Contacts
National Chair
Partner, Disputes, Toronto
Latest Insights
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Report December 4, 2025
Reconciling Aboriginal title and private property rights on unceded land
In the intersection between Aboriginal title and private property rights, the courts are addressing questions about land ownership on unceded...
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Report December 4, 2025
AI training on trial: the next legal frontier in copyright law
The impact of copyright court cases in Canada and the U.S., as well as government consultations towards reform.
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Report December 4, 2025
Increasing AI in litigation: advantages, perils and increasing regulation
Learn more about what lies ahead for the use and regulation of AI in litigation.
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Osler Update November 28, 2025
The privacy officer’s changing role in the age of innovation and AI
A panel discussion on emerging privacy risks and the changing role of in-house counsel was an important part of the second annual Privacy Conference...
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Osler News November 21, 2025
Amelia Miao and Alexandre Fallon named 2025 Lexpert Rising Stars
Congratulations to Amelia Miao and Alexandre Fallon on being chosen as 2025 Lexpert Rising Stars: Canada’s Leading Lawyers Under...
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Osler News November 20, 2025
24 Osler lawyers recognized in Lexpert Special Edition: Litigation 2025
Osler is proud to announce that 24 of our lawyers are recognized in the Lexpert Special Edition: Litigation 2025. This prestigious publication...
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Media Mentions October 8, 2025
Business litigators say Ontario’s proposal to shorten litigation dispute timelines is problematic – Canadian Lawyer
Recently proposed amendments to the Rules of Civil Procedure have prompted concern from lawyers in Ontario. In an effort to improve the provincial...
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Media Mentions October 6, 2025
Nov. 1 deadline fast approaching for B.C. employers – HR Reporter
To continue to attract top candidates, employers must be prepared to address whatever their pay transparency report reveals, says Katy Allen,...
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