Eric Baum

Senior Counsel

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

Clerk

Bar Admissions

  • Ontario, 2010B.A., (First Class Hons.) McGill University (1999)

Education

  • B.A., (First Class Hons.) McGill University (1999)
  • M.A., Rice University (2006)
  • J.D., Osgoode Hall Law School (2009)

Professional Accreditations and Affiliations

  • Toronto Lawyers’ Association
  • Canadian Bar Association
  • The Advocates' Society
  • Executive Member, OBA Health Law Section
  • Executive Member, OBA Insurance Law Section

About Lawyer

Eric S. Baum is Senior Counsel at the Toronto office where he practices subrogation and insurance defence, having joined Aviva Trial Lawyers in 2025.  Prior to this, Eric was a founding partner of a Toronto litigation boutique.  He is an experienced litigator who has practiced various aspects of insurance law almost exclusively for the past 15+ years.

 

Eric has trial, appellate and mediation experience, and has acted as counsel in matters before all levels of court in Ontario, along with various administrative bodies and regulatory tribunals.   He was recognized by Best Lawyers in Canada (2024-2025) for Health Care Law and Professional Malpractice Law.

 

In addition to his courtroom work, Eric enjoys sharing his insights with the broader legal community through regular presentations on relevant topics and mentoring junior counsel.  He holds positions on the executives of the Insurance Law Section and the Health Law Section of the Ontario Bar Association, reflecting his commitment to these areas of law.

Notable Cases

  • Muralla v. Qazi, 2024 ONSC 4361 (CanLII)
  • Ang v. Lin, 2023 ONSC 4446 (CanLII); 2024 ONCA 549 (CanLII)
  • Taylor v. David, 2021 ONSC 3264 (CanLII); 2022 ONCA 200 (CanLII)
  • Georgieff v. Kinoshita, 2021 CanLII 151992 (HPARB)
  • Rizzi v. Handa, 2019 ONSC 1802; 2020 ONSC 6584; 2021 ONSC 1004 (CanLII)
  • Lowe v. Dr. Miekle Professional Corporation et al, 2021 ONSC 5050 (CanLII)
  • Raymond v. Fong, 2018 ONSC 1451 (CanLII)
  • Novello v. Glick, 2016 ONSC 975 (CanLII) (Div. Ct.); 129 O.R. (3d) 275
  • Boland v. Lyle, 2016 ONSC 7418 (CanLII)
  • Quinte v. Eastwood Mall, 2014 ONSC 249; 2014; 2015 ONSC 1619 ONSC 1661 (CanLII)

Personal Interests

Eric is a musician (guitar and bass) and avid fan of documentary film and stand-up comedy.