Service

Disputes

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

Sonia Bjorkquist

Partner, Disputes, Toronto


Latest Insights

  • Osler Update Jul 11, 2024

    Superior Court of Québec clarifies obligations of the AMP in an integrity review under the Act respecting contracting by public bodies

    Overview In dismissing an application for judicial review by Neptune Security Services Inc. (Neptune), the Superior Court of Québec clarified and conf...

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    Superior Court of Québec clarifies obligations of the AMP in an integrity review under the Act respecting contracting by public bodies
  • Blog Jul 10, 2024

    Long awaited U.S. Supreme Court ruling curtails SEC’s use of administrative courts

    On June 27, 2024, the United States Supreme Court (SCOTUS) released its ruling [PDF] on what has been a decade-long dispute between the Securities Exc...

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    Long awaited U.S. Supreme Court ruling curtails SEC’s use of administrative courts
  • Osler Update Jun 27, 2024

    B.C.’s forever litigation: first tobacco, then opioids, now ‘forever chemicals’

    On June 21, 2024, the B.C. government filed a proposed national class action in the Supreme Court of British Columbia against manufacturers of perfluo...

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    B.C.’s forever litigation: first tobacco, then opioids, now ‘forever chemicals’
  • Blog Jun 27, 2024

    Securities and Exchange Commission approval of Ether ETFs

    The U.S. Securities and Exchange Commission has approved a proposed rule change allowing major exchanges to list Ethereum exchange-traded funds.

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    Securities and Exchange Commission approval of Ether ETFs
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In the Media

  • 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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    Osler represents CCLA before the Supreme Court of Canada
  • Media Mentions Dec 13, 2023

    Interview with Lia Bruschetta – Advocacy Matters

    Read about the award-winning volunteer work of Lia Bruschetta, partner in Osler’s Litigation Group, in the Fall 2023 of Advocacy Matters.

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  • Media Mentions Nov 21, 2023

    Stay in your lane: breaking down the Supreme Court of Canada’s Bill C-69 ruling and what it means for Canada – The Brief

    In a recent episode of The Brief podcast, Sean Sutherland, partner in Osler’s National Litigation Group, offers expert commentary and insight into the...

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  • Media Mentions Oct 13, 2023

    Two conversations: Ottawa’s Impact Assessment Act (Formerly Bill C-69) and The Pembina Institute – ARC Energy Ideas Podcast

    Sander Duncanson, Co-Chair of Osler’s Regulatory, Indigenous and Environmental practice appeared on the ARC Energy Ideas Podcast for a conversation ab...

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