Tatum is an associate in the Tax Group at Osler’s Vancouver office. His practice focuses on advising Canadian and international clients on a broad range of tax matters, including domestic and cross-border tax planning, as well as tax dispute resolution.
During law school, Tatum founded both the Allard Tax Law Club and the Allard Legal Tech Club. He was actively involved in the Law Students’ Legal Advice Program and represented the Allard at the Bowman Tax Moot.
Areas of Expertise
Representative Work
Latest Insights
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Blog May 28, 2025
Abuse of process: the continuing saga of Morabito
The B.C. Court of Appeal has found a blended hearing of an abuse of process claim and an insider trading claim to be “fundamentally flawed”.
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Blog November 30, 2023
Abuse of process revisited? British Columbia Court of Appeal grants leave application from ruling of British Columbia Securities Commission
The British Columbia Court of Appeal will hear a case that raises important questions concerning how persons subject to prosecution by administrative...
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Awards and Recognition
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University of Pennsylvania, Carey School of Law, Access to Justice Tech Fellow
Community Involvement
- Law Students’ Legal Advice Program, For-Credit Clinician (2021-2022)
- Pro Bono Students Canada, Family Law HelpLine Volunteer (2020 – 2021)
- University of Victoria Faculty of Law, LawTech Society President (2020 – 2021)
Credentials
Education
- University of British Columbia, J.D., 2023
- Simon Fraser University, B.A. Economics, 2019
Languages
- English
- Mandarin
