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Jenny Mboutsiadis Toronto Lawyer

Jenny P. Mboutsiadis

Partner Fasken
The CRA’s aggressive approach to cracking down on tax evasion and tax avoidance is not expected to wane any time soon.
Jurisdiction Ontario, 2001
Language(s) English, Greek
Office(s) Toronto
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Overview

Jenny P. Mboutsiadis is a seasoned tax litigator with over two decades of trial experience as lead counsel. She has extensive successful experience arguing tax cases in the Tax Court of Canada, the Ontario Superior Court of Justice, the Federal Court, and the Federal Court of Appeal.

Jenny provides clients with exceptional knowledge on resolving tax disputes with Canadian tax authorities, from the start of a tax audit to trial. Her practice focuses on corporate tax matters, including transfer pricing, the GAAR and tax avoidance, GST/HST, and treaty interpretation.

Recently, Jenny spent eleven years as a tax litigator for the Department of Justice Canada. Prior to that, she was a tax litigator at another leading Bay Street law firm.

Recognized for her skillful and efficient conduct of trials, Jenny regularly presents on trial advocacy, discovery skills, and effective courtroom practice. 

Achievements

  • Recognized nationwide in Canada in the "Highly Regarded" category and as a "Women in Tax Leader", The International Tax Review 2025 to 2026
  • Recognized in Tax Law in Toronto, The Best Lawyers in Canada 2022 to 2026
  • Recognized in the Canadian Legal Lexpert Directory as a Leading Practitioner in Litigation - Corporate Tax, Lexpert 2022 to 2025
  • Recognized as a Leader in Tax Controversy, International Tax Review: World Tax 2023
  • Recognized in the Canadian Legal Lexpert Directory in Litigation - Corporate Tax, Lexpert 2020
  • Named in International Tax Review’s Women in Tax Leaders Guide , The International Tax Review 2018
  • International Tax Review 8th edition, The International Tax Review 2018
  • Recognized by Legal 500 Canada for Tax Law, The Legal 500 Canada 2018
  • Recognized by the International Tax Review among the Tax Controversy Leaders , The International Tax Review 2017 to 2018
  • International Tax Reviews Women in Tax Leaders Guide (4th edition), The International Tax Review 2018
2023 International Tax Review: World Tax Recognized as a Leader in Tax Controversy International Tax Review is a market leading publication serving the international corporate tax community and is a resource for corporate tax directors and executives, chief financial officers, tax lawyers and advisers, and officials.
2018 The International Tax Review International Tax Review 8th edition Recognized in the 8th edition of International Tax Review among the Tax Controversy Leaders
Legal 500 Publication name with laurels The Legal 500 Canada Recognized by Legal 500 Canada for Tax Law
2017 to 2018 The International Tax Review Recognized by the International Tax Review among the Tax Controversy Leaders

Experience

  • Telecommunications client successfully reduces multimillion dollar tax liability by 96%, [Case - Confidential Client], Multimillion dollar reduction in tax liability.
  • Ahlul-Bayt Centre, Ottawa disputes the revocation of its charitable status at the Federal Court of Appeal, [Case - Ahlul-Bayt Centre, Ottawa], Ahlul-Bayt Center disputed the revocation of its charitable status in the middle of the school year as it operated an elementary school
  • Bakorp Management Ltd. v. R., 2015 TCC 36, [Case - Confidential Client]
  • Burlington Resources Finance Company v. R., 2015 TCC 71, [Case - Her Majesty the Queen]
  • Leith v. R., 2015 TCC 314, [Case - Her Majesty the Queen]
  • Bakorp Management Ltd. v. R., 2015 TCC 36, [Case - Her Majesty the Queen]
  • Conoco Finance Company v. R., 2015 TCC 71, [Case - Her Majesty the Queen]
  • Teranet Inc. v. R., Docket: 2014-385(IT)G (unreported), [Case - Her Majesty the Queen]
  • Bakorp Management Ltd. v. R., 2013 TCC 94 and 2014 FCA 104, [Case - Her Majesty the Queen]

Career & Education

Education

  • LLM, (Tax Law) Osgoode Hall Law School at York University
  • In-Depth Tax Course, Parts I, II, and III Canadian Institute of Chartered Accountants (CICA)
  • Tax Law for Lawyers
  • LLB Queen's University
  • BA (Honours) University of Toronto

Community involvement

  • Vice-Chair of the Governance, Membership, and Board Development Committee, The Hellenic Heritage Foundation
  • The Hellenic Initiative Canada, Board of Directors, Board Secretary and Chair of the Grant Applications Oversight Committee  
  • Neutral Trial Observer in Namibia, Lawyers Without Borders (U.S.A.), 2007

Memberships & Affiliations

  • Member, The Law Society of Ontario
  • Member, The Advocates' Society
    • Chair, Tax Litigation Practice Group
    • Skills Instructor
  • Member, Canadian Bar Association
  • Member, Ontario Bar Association
    • Executive Committee Member and Newsletter Committee Editor, Taxation Section (2004 – 2007)
    • Executive Committee Member, Civil Litigation Section (2004 – 2006)
    • Executive Committee Member, Young Lawyers’ Division Section (2004 – 2006)
  • Member, American Bar Association
  • Member, Canadian Tax Foundation
  • Member, International Fiscal Association
  • Member, Hellenic Canadian Lawyers’ Association
  • Rectification Committee Member, Department of Justice Canada, Tax Law Services Division (2014 – 2016)
  • Executive Committee Member, Department of Justice Canada, Tax Law Services Division, National Tax Law Services Professional Development Committee (2006 – 2008)
  • Executive Committee Member, Department of Justice Canada, Tax Law Services Division, Toronto Tax Law Services Professional Development Committee, (2006 – 2008)

Knowledge

  • CRA’s Expanded Audit Powers: Courts, Oaths, and Potential Penalties, 9/12/2024
  • Seven Areas The Canada Revenue Agency is Scrutinizing, 7/13/2021
  • Seven areas the Canada Revenue Agency is scrutinizing, 6/24/2021

Events

  • Carters/Fasken Healthcare Philanthropy: Check-Up 2018, 6/8/2018
  • Knock, Knock, the Regulator is Calling: Legal Issues and Managing Risk, 5/9/2018
  • Tax Roundup for Financial Institutions: What You Need to Know for 2018, 2/7/2018
  • Transfer Pricing and Tax Litigation in the Mining Sector, 3/3/2017
  • Post-Panama Papers: What In-House Legal Counsel Needs to Know About Canada’s Plans to Combat Aggressive Tax Planning and Profit Shifting, 11/18/2016

News

  • The Globe and Mail quotes Jenny Mboutsiadis in an article on the CRA’s areas of focus for audit activity, 4/17/2024
  • Fasken Partner achieves International Tax Review’s Women in Tax Leaders Guide, 10/12/2018
  • Five Fasken Partners are Featured as Tax Controversy Leaders by International Tax Review, 9/27/2018
  • Fasken Doubles Top Tier Rankings in Legal 500 Canada 2018, 12/7/2017
  • International Tax Review names five Fasken Martineau partners as Tax Controversy Leaders, 9/7/2017
  • Mining Weekly quotes Jenny Mboutsiadis and Christopher Steeves on the CRA’s involvement of multinational enterprise use of transfer prices, 3/6/2017
  • International Tax Monitor quotes Jenny Mboutsiadis in an article about the Supreme Court of Canada’s decisions in rectification cases Fairmont and Jean Coutu, 12/13/2016
  • Commercial Dispute Resolution mentions Jenny Mboutsiadis in an article about joining Fasken Martineau, 8/10/2016
  • Toronto Sun quotes Jenny Mboutsiadis in an article about the largest gross negligence tax case in Canada, 7/18/2016
  • Commercial Dispute Resolution Magazine mentions Jenny Mboutsiadis in an article about government talent entering private practice, 7/11/2016

Publications

  • Panama Papers: CRA getting tougher on tax evasion, 8/1/2017
  • GAAR Interpreted: The General Anti-Avoidance Rule, 1/1/2017
  • Tax Court: arrears interest after GAAR assessment accrue from the taxpayer’s balance-due day, 10/31/2016
  • Alberta Court rules on what is a “reasonable amount” of interest under s. 20(1)(c), 10/24/2016
  • No need to delay rectification applications: Ontario Superior Court, 10/19/2016
  • Imperial Oil Resources Limited: FCA rules that there is no refund interest on amounts subject to remission, 10/12/2016
  • The CRA Assesses 1,000 Pharmacists for $58 million for Incentives Received from Generic Drug Companies, 7/21/2016
  • In Common Ingredient of the Partnership Test: Persuasive Factors, 1/21/2015
  • Putting Together a Winning Deal - A Litigator's Perspective, 1/1/2003
  • Tax Avoidance Developments - A Comparative Analysis, 1/1/2001
Article Panama Papers: CRA getting tougher on tax evasion TAXed International
GAAR Interpreted: The General Anti-Avoidance Rule Loose-leaf up-date services, Carswell, Associate Editor
Article Tax Court: arrears interest after GAAR assessment accrue from the taxpayer’s balance-due day TAXed International

Speaking Engagements

  • Tax Dispute Resolution During The Covid-19 Pandemic: The CRA, DOJ, and Private Bar Discuss How To Move Forward, 6/23/2020
  • Tax Litigation: The Efficient Trial, 1/16/2020
  • The CRA Audit What To Do When The CRA Comes Knocking, 5/15/2018
  • What's new with the CRA, the law, and how should you deal with them?, 9/14/2017
  • Utilizing the Competent Authority Process, 5/16/2017
  • Post-Panama Papers: What In-House Legal Counsel Needs to Know About Canada’s Plans to Combat Aggressive Tax Planning and Profit Shifting, 11/18/2016
  • How to Maximize Chances of a Settlement, 10/24/2016
  • Identifying Client Tax Litigation Issues, 9/28/2016
  • Tax Litigation: What It Is and Where You Can Fit In, 9/27/2016
  • What You Missed While You Were Away: Summer 2016 Tax Developments, 9/15/2016
Presenter Tax Dispute Resolution During The Covid-19 Pandemic: The CRA, DOJ, and Private Bar Discuss How To Move Forward The Advocates’ Society location location Toronto, ON
Presenter Tax Litigation: The Efficient Trial The Advocates' Society Education Centre location location Toronto, ON
Co-Presenter The CRA Audit What To Do When The CRA Comes Knocking CLHIA 2018 Tax Conference location location Quebec City, QC CLHIA 2018 Tax Conference