Alexandra McLennan

Alexandra McLennan Brown

Associate, Litigation

Contact Information

tel: 416.862.4749



Bar Admission

Ontario, 2020


  • University of Toronto, J.D.
  • Mount Allison University, B.Sc. (Honours with Distinction)


Italian, English

Alexandra’s practice includes corporate tax planning and tax disputes. She assists on domestic and cross-border mergers and acquisitions and corporate restructuring along with transfer pricing and international tax issues. Her tax controversy and litigation practice includes transfer pricing and tax avoidance in addition to a range of administrative and procedural matters specific to the tax area. Alexandra has also worked on GST disputes relating to the denial of input tax credits and whether particular services are taxable supplies.

Alexandra joined Osler as a summer student in 2018 and completed her articles with the firm in 2019-2020.

Alexandra graduated from the J.D. program at the Faculty of Law, University of Toronto. During law school she worked as an indirect tax research assistant.

Prior to law school, Alexandra obtained her B.Sc. in Physics and Mathematics from Mount Allison University where she worked as a research assistant in upper atmospheric physics.

  • Pro Bono Ontario, Volunteer
  • Downtown Legal Services, Caseworker (2016-2018)


  • Law Society of Ontario
  • Canadian Bar Association
  • Canadian Tax Foundation
  • International Fiscal Association

  • CPA In-Depth Tax Course Year 1 (in progress).
  • Supreme Court of Canada to Consider Alta Energy Treaty Shopping Case After Lower Courts Find No Abuse of Domestic General Anti-Avoidance Rule – Tax Management International Journal (co-authored with Patrick Marley), December 2020.
  • Confidentiality at Risk: Accessing Financial Filings on EDGAR – Canadian Tax Foundation (co-authored with Alex Klyguine), August 2018.