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Provided by Mark Tonkovich
Mark’s practice focuses exclusively on resolving tax disputes. He represents many of Canada’s and the world’s largest and most sophisticated businesses at all stages of the dispute resolution process, including in tax-related civil litigation, administrative appeals, audit defence, and in proactively managing tax dispute risks. Mark has successfully acted for taxpayers at all levels of court, with the Federal Court of Appeal describing his work as "exemplary" in a 2013 judicial review application. He draws on Blakes' top-tier national tax practice to develop and execute comprehensive and practical strategies for resolving tax disputes as efficiently and favourably as possible, both in and out of the courtroom.
Mark frequently writes and presents on tax issues, and is an active member of numerous professional organizations. He has written dozens of articles on Canadian tax matters, including in the peer-reviewed Canadian Tax Journal and the National Journal of Constitutional Law. He is the Chair of the Tax Court Bench and Bar Committee, on the editorial board of the journal Tax Litigation, and previously served as Chair of the Ontario Bar Association’s Taxation Law Section. He clerked at the Federal Court of Appeal and was previously a tax litigator with the Department of Justice.
Provided by Chambers
Toronto-based Mark Tonkovich represents clients in high-profile tax enforcement and litigation files. He has worked on several longstanding disputes with the Canada Revenue Agency.
Provided by Chambers
"I rate Mark Tonkovich very strongly. He is our lead contact partner and he brings valuable tax and litigation experience to the team."
"Mark is exactly who you want on your side in a complicated, lengthy and contentious matter. Under his pleasant manner is a fighting spirit that never misses a point or forgets the big picture."
"Mark is top-notch. He knows the law at the forefront of his mind and has a very good practical sense on how to navigate it."
"I rate Mark Tonkovich very strongly. He is our lead contact partner and he brings valuable tax and litigation experience to the team."
"Mark is exactly who you want on your side in a complicated, lengthy and contentious matter. Under his pleasant manner is a fighting spirit that never misses a point or forgets the big picture."
"Mark is top-notch. He knows the law at the forefront of his mind and has a very good practical sense on how to navigate it."
