A.J. Billes

Senior Counsel

4800 – 100 King Street West
Toronto, Ontario, M5X 2A2

Bar Admissions

  • Ontario, 2014

Education

  • J.D., Queen’s University (2013)
  • B.A., Dalhousie University (2008)

Professional Accreditations and Affiliations

  • The Advocate’s Society
  • Toronto Lawyers Association

About Lawyer

A.J. is a senior counsel at the Toronto office having joined Aviva Trial Lawyers in July 2019. Prior to this he worked as a lawyer at a boutique litigation firm in downtown Toronto. His area of practice is insurance defence litigation, with a focus on multi-party construction litigation as well as medical malpractice. A.J. received his undergraduate degree from Dalhousie University in 2008 where he was on the Dean’s list for academic excellence. He went on to obtain a Juris Doctor from Queen’s University in 2013, and he was called to the bar in 2014. A.J. has trial experience and has appeared as counsel in the Superior Court of Justice, the Divisional Court, and the Small Claims Court.

Notable Cases

  • Estate of Sutherland v. London Health Sciences Centre, 2025 ONSC 4483
  • Mansori v. York Region Standard Condominium Corporation No. 1279 et al, 2024 ONSC 6569
  • Baradaran v. 6325955 Canada Inc., 2022 ONSC 1564

Personal Interests

A.J.’s personal interests include squash, cycling, scuba diving, and travel.