The Honourable Marshall Rothstein, C.C., KC, is a partner based in our Vancouver office who provides valuable expertise and counsel firm-wide. One of Canada’s most esteemed jurists, he served as Justice of the Supreme Court of Canada from 2006 until his retirement in 2015, and he has over 50 years of judicial and legal experience.
Marshall’s work has shaped the Canadian business law landscape, having authored more than 100 judgments and arbitral decisions on domestic and cross-border cases of commercial significance and complexity. He brings a unique perspective to the firm, and his broad-ranging practice focuses on a wide variety of dispute resolution matters, including M&A, tax, competition, intellectual property and issues in the transportation and energy sectors.
A Winnipeg native, Marshall attended the University of Manitoba (B. Comm., LL.B.) and was called to the Manitoba Bar in 1966 before becoming a civil litigator in private practice. He was appointed King’s Counsel in 1979. For nearly three decades, he solidified his reputation as one of the country’s leading counsel in numerous high-profile cases.
Marshall was appointed to the Trial Division of the Federal Court of Canada in 1992, was elevated to the Federal Court of Appeal in 1999 and appointed to the Supreme Court of Canada in 2006.
Marshall was appointed a Companion of the Order of Canada in 2017, one of Canada’s highest civilian honours, which recognizes outstanding achievement, dedication to the community and service to the nation.
Areas of Expertise
Latest Insights
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Webinar Nov 9, 2023
Canadian Tax Law Insights: How proposed amendments and recent Supreme Court decisions could affect the general anti-avoidance rule (GAAR)
Available on-demand, you can now watch the in-depth panel discussion on the practical implications of the proposed amendments to GAAR and the...
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Webinar Jun 13, 2023
Canadian Tax Law Insights: Managing Tax Audits to Prevent and Resolve Disputes with the CRA – Part I
Members of Osler’s Tax Group provide guidance and best practices for preventing and resolving tax disputes earlier, and more effectively, in light...
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Webinar Dec 2, 2021
Practical Implications of Recent Developments in the Courts
Presented by Osler and the Tax Executives Institute The Osler Western Canada team will address recent developments in tax cases and CRA...
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Webinar Oct 3, 2019
Current assessing trends: What are the latest targets of the Canadian and Québec tax authorities?
This webinar will focus on previous audit activity and initiatives at the federal and Québec levels, including cases involving arguments of sham and...
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Awards and Recognition
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Best Lawyers in Canada: Recognized in Tax Law
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Thomson Reuters: “Stand-out Lawyer”
Media Mentions
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Osler News May 12, 2021
Osler’s National Litigation team recognized at the Benchmark Canada Awards 2021
Osler is proud to announce that our National Litigation team has been recognized at the 2021 Benchmark Canada Awards.
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Media Mentions Oct 25, 2018
Marshall Rothstein casts an eye to Supreme Court docket, including standard of review — Legal Feeds
The Honourable Marshall Rothstein, C.C., Q.C., a partner in Osler’s Tax Group, tells Legal Feeds in a wide-ranging interview that he thinks “our...
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Osler News Jul 11, 2017
Osler’s Marshall Rothstein appointed Companion of the Order of Canada
Osler is proud to announce that the Honourable Marshall Rothstein, Q.C., C.C., has been appointed a Companion of the Order of Canada — the highest...
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Credentials
Education
- University of Manitoba (B.Comm., LL.B.)
Languages
- English
