Roxanne Wong

Senior Associate

Roxanne is a tax counsel of EY Law LLP and a member of the Tax Law Services group. Her practice focuses primarily on tax litigation, representing clients in disputes with the Canada Revenue Agency and the Ontario Ministry of Revenue, and before the courts.


Roxanne had been litigating and providing advice on tax matters for close to ten years. She has successfully argued numerous trials and has worked on tax matters at the audit and objection stages, as well as, before the Tax Court of Canada, the Federal Court, the Federal Court of Appeal, and the Ontario Superior Court of Justice. She has experience dealing with income tax and indirect tax disputes (including GAAR and transfer pricing), judicial reviews, voluntary disclosures and taxpayer relief requests.

Prior to joining EY Law LLP, Roxanne worked for the Department of Justice where she represented the Canada Revenue Agency and Ministry of Revenue in various tax litigation matters. Roxanne also has experience providing advisory services to the CRA in respect of matters at the audit and objection stages.

Roxanne had also served as a judge panelist for the Canadian National Jessup International Moot Competition and a lecturer and guest speaker for the paralegal program at Humber College.


  • Barrister and Solicitor (ON), 2008
  • Juris Doctor (Queen’s), 2007

Professional Accomplishments

  • Completion of the CICA In-Depth Tax Course (Parts 1-3)
  • Completion of the Advocate’s Society’s Appellate Advocacy Program
  • Completion of the Osgoode Intensive Trial Advocacy Workshop
  • Completion of the CPA In-Depth Transfer Pricing Course


Among others, Roxanne was co-counsel on the following contentious matters:

  • The Great-West Life Assurance Company v . The Queen, 2013-123 (GST)
  • The Manufacturers Life Insurance v. The Queen, 2013-4549 (GST)
  • Canadian Imperial Bank of Commerce v. The Queen, 2012-1261 (GST)
  • GMC Distribution Ltd. v. The Queen, 2014-3115 (GST)
  • Brian David Cherniak v. The Queen, 2008-272 (GST)