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.
Key Contacts
National Chair
Partner, Disputes, Toronto
Latest Insights
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Blog Feb 13, 2025
‘Defer no time, delays have dangerous ends’: Ontario class actions beware
The Ontario Court of Appeal recently interpreted, for the first time, the new “dismissal for delay” provisions in the province’s Class...
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Blog Feb 6, 2025
Alberta lawyer faces sanctions for failing to identify a ‘pump and dump’ scheme
A recent decision highlights the importance of lawyers taking sufficient steps to identify “red flags” raised by their clients’ conduct.
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Blog Feb 5, 2025
Using artificial intelligence in arbitration: the Silicon Valley Arbitration and Mediation Center’s guidelines
The Silicon Valley Arbitration and Mediation Center has published a principle-based framework for the use of AI tools in arbitration.
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Osler Update Feb 4, 2025
Recent decisions confirm reasonableness of hospital mandatory COVID-19 vaccination policies
Recent decisions confirm the reasonableness of hospitals’ mandatory COVID-19 vaccination policies during the pandemic.
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Media Mentions Feb 14, 2025
Trump trade threat sparks call to finally harmonize capital markets regulation — the Financial Post
Serious trade threats coming from the U.S. make a strong case for revisiting a pan-Canadian model for improving this country’s capital markets...
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Media Mentions Jan 8, 2025
The push for electrification – Alberta Law Review
In an article for the Alberta Law Review, authors Deirdre Sheehan, partner and Co-Chair, Regulatory, Indigenous and Environmental; Vivek Warrier,...
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Osler News Aug 28, 2024
Four Osler partners recognized in Benchmark Canada’s ‘Top 100 Women in Litigation’ in 2024
Osler congratulates partners Maureen Killoran, KC, Mary Buttery, KC, Laura Fric and Teresa Tomchak for their inclusion in the 11th edition of...
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Osler News May 1, 2024
Osler represents CCLA before the Supreme Court of Canada
Third-party election spending case involves interpretation of Charter’s democratic rights section.
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