Thomas Slade

Thomas Slade is an associate developing a practice in appellate litigation. He is experienced in complex legal research and persuasive written advocacy. He has appeared as counsel before the Ontario Court of Appeal and Federal Court of Appeal and as co-counsel at the Supreme Court of Canada.

Prior to joining Supreme Advocacy LLP, Thomas articled and returned as an associate at a national law firm where he focused on advocacy and litigation. He also worked (while a student-at-law) at an access to information and administrative law boutique firm.

While at the University of Ottawa, Thomas was the Articles Editor and Editor-in-Chief for the Ottawa Law Review and worked as a research assistant for a prominent technology law professor. Before law school, he received a Bachelor of Journalism from Carleton University.


Education & Bars

  • Called to the Ontario Bar, 2011
  • University of Ottawa, LL.B., 2010
  • Carleton University, B.J. (Bachelor of Journalism), 2007

Professional Associations

  • Ontario Bar Association
  • Canadian Bar Association
  • County of Carleton Law Association

Law Volunteer Positions

  • Pro bono lawyer with Refugee Sponsorship Support Program
  • Ottawa Law Review Advisory Board member

Representative Work

  • Ottawa Supreme Court of Canada Agent on numerous matters.
  • Counsel for applicant seeking leave to appeal to the Supreme Court of Canada.
  • Co-counsel for the appellant in an appeal to the Supreme Court of Canada in R. v. Barabash, 2015 SCC 29. Appeal allowed.
  • Counsel for a federal tribunal intervening in a judicial review before the Federal Court of Appeal, indexed as Attorney General of Canada (Canada Border Services Agency) v. Vorobyov (February 26, 2014).
  • Counsel for the appellant in the recent Ontario Court of Appeal nuisance case TMS Lighting Ltd. v. KJS Transport Inc., 2014 ONCA 1 regarding proof of damages. Appeal allowed in part with almost the entire damage award set aside and the matter being sent back for a new trial for reassessment of damages.
  • Counsel for a federal tribunal in a reference before the Federal Court of Appeal, reported at Reference re section 14 of the Agriculture and Agri-Food Administrative Monetary Penalties Regulations, 2012 FCA 130.

Publications & Presentations

  • Resolving Equality Uncertainty: Adverse-effects Claims and Conflicts Between Equality-seeking Claimants, Supreme Court Law Review, 2nd Series, volume 79, co-author
  • Getting In, Getting Heard, Getting Practical: Intervening in Appellate Courts Across Canada, The Advocates’ Quarterly, volume 46, number 3, January 2017 (Thomson Reuters Canada Limited Canada Law Book), co-author
  • Fernandes v. Araujo: Vehicle Ownership, Possession and Vicarious Liability, The Advocates’ Quarterly, volume 45, number 2, March 2016 (Thomson Reuters Canada Limited Canada Law Book), co-author
  • Bullen & Leake & Jacob's Canadian Precedents of Pleadings (Carswell, 2nd ed., 2013) co-author
  • Supreme Court of Canada Manual (Canada Law Book, 2011) co-author

Special Recognition

  • CCH Canadian Limited Prize, Ottawa Law Review, 2010
  • Barry C. Scott / CP Railway Scholarship in Business Journalism, Carleton University, 2007