Gavin MacKenzie

gavin@mackenziebarristers.com

416-304-9293

Bar of Ontario, 1977

 

B.A., Western University, 1972

LL.B., Osgoode Hall, 1975

LL.D. (Hon.), Law Society of Upper Canada, 2010

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Gavin MacKenzie is recognized as a leading litigation counsel by Best Lawyers in Canada and the Canadian Legal Lexpert® Directory, and is rated at the highest peer review rating by Martindale-Hubbell. Gavin has been named Toronto Lawyer of the Year in the fields of legal malpractice and appellate law, and has been honoured by induction as a Fellow of the American College of Trial Lawyers.

Gavin’s litigation practice is focused on appeals, judicial review applications, professional responsibility, liability and discipline, and general civil and commercial litigation. He has appeared as counsel in over 200 reported cases, before all levels of court including the Supreme Court of Canada and before many tribunals.

Gavin was elected as a Bencher of the Law Society of Upper Canada for four consecutive terms, and was elected as Treasurer, the highest position in the Society, on three occasions between 2006 and 2008. Gavin has also served as a Director of the Advocates' Society, the Medico-Legal Society of Toronto, and the Canadian Institute for the Administration of Justice.

Gavin is the author of Lawyers and Ethics: Professional Responsibility and Discipline, which has served as a leading authority on legal ethics and professional responsibility and liability issues for practitioners and the courts for the past 25 years (throughout which time it has been supplemented at least annually). The 5th student edition was published by Thomson Reuters (Carswell) in 2009, and the 6th edition is due to be released in 2018. Gavin has authored many other legal publications, and has served as an Adjunct Professor of Legal Ethics at Osgoode Hall Law School.

Gavin is often retained as an expert witness on professional responsibility and litigation in the U.S. and Canada and is a frequent speaker at continuing education programmes. 

Since 1993, Gavin has received the highest available peer review rating from Martindale-Hubbell for legal ability and adherence to high ethical standards. He is repeatedly recommended as a leading practitioner in the field of professional liability by the Canadian Legal Lexpert Directory, and consistently listed in Best Lawyers in Canada for his work in Appellate Law, Legal Malpractice Law, Administrative and Public Law, Alternative Dispute Resolution, Class Action Litigation, Corporate and Commercial Litigation, and Product Liability Law. Gavin has also been selected by American Lawyer Media and Martindale-Hubbell as a Top Rated Lawyer in Canada, and has been recognized by the Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada.

In 2010, Gavin was awarded an honorary Doctor of Laws (LL.D.) degree from the Law Society of Upper Canada in recognition of his contributions to the legal profession.

Awards and Recognitions
  • Inducted as a Fellow of American College of Trial Lawyers (2000)

  • Recipient of “AV” (“Pre-eminent”) peer review rating by Martindale-Hubbell (the highest available rating for legal ability and adherence to high ethical standards) (1993-present)

  • Admitted to degree of Doctor of Laws, Honoris Causa, by Law Society of Upper Canada (2010)

  • Inducted as a Fellow, Litigation Counsel of America (2011)

  • Toronto Lawyer of the Year in Field of Appellate Law (Best Lawyers in Canada) (2012)

  • Listed in Best Lawyers in Canada for his work in Appellate Law, Legal Malpractice Law, Administrative and Public Law, Alternative Dispute Resolution, Class Action Litigation, Corporate and Commercial Litigation, and Product Liability Law (2012-present)

  • Selected by American Lawyer Media and Martindale-Hubbell as a 2013 Top Rated Lawyer in Canada (2013)

  • Named Litigation Star by Benchmark Canada (2014-present)

  • Ranked by the Canadian Legal Lexpert® Directory as a leading practitioner in the field of Professional Liability (2015-present)

Memberships
  • Past Director, Canadian Institute for the Administration of Justice

  • Past Chair, LibraryCo Inc., the library system of Ontario Law Associations

  • Past Director, Medico-Legal Society of Toronto

  • Past Director, The Advocates' Society

  • Member, Canadian Bar Association

  • Member, Osgoode Society

Community Involvement & Other Activities
  • Distance running, including 13 consecutive Boston Marathons (2002-2014)

  • Former Director and Board Chair, York Region Rose of Sharon