David R. Mackenzie

Partner
P: 416-597-4890
F: 416-594-5092
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  • Called to the Bar of Ontario, 2010
  • Called to the Bar of British Columbia, 2000
  • Admitted to the State Bar of Washington , 1998
  • LL.M., University of British Columbia, 2000
  • J.D., Seattle University, 1998
  • B.A., University of Victoria, 1994
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 Overview

Clients value David’s common sense and value-driven advice. Practicing in the areas of insurance coverage and reinsurance litigation - representing carriers, cedants and reinsurers in respect of commercial liability, technology, information and privacy, professional indemnity and first party property claims - David has extensive dispute resolution experience both as a litigator in trial and appellate courts as well as in mediation, arbitration and negotiation.

David frequently advises insurers on policy drafting matters, and is often asked to write on insurance coverage matters, particularly involving cyber, technology and information risks.  He has been the Co-Chair of the Canadian Defence Lawyers Insurance Coverage Symposium, and is regularly invited to speak on insurance coverage issues.

David is called to the Bar in Ontario, British Columbia and Washington State, giving him a national and international perspective.  He acts on behalf of his clients across Canada and in respect of cross-border claims.

 Education
  • LL.M., University of British Columbia, 2000
  • J.D., Seattle University, 1998
  • B.A., University of Victoria, 1994
 Practice Areas  Called to the Bar
  • Called to the Bar of Ontario, 2010
  • Called to the Bar of British Columbia, 2000
  • Admitted to the State Bar of Washington , 1998
 Assistant  Experience
  • UPS Supply Chain Solutions, Inc v Airon HVAC Service Ltd., 2015 ONSC 1734 -

    Successfully argued in favour of limited coverage obligation owed by insurer to additional named insureds

  • Kruger Products Ltd v First Choice Logistics Inc, 2011 BCCA 213 -

    Subrogated against defendants in a major fire loss

  • Donaldson v John Doe, 2009 BCCA 38 -

    Acted as counsel in respect of the defence of commercial host liability claims

  • Acted as coverage counsel for liability insurers in respect of construction defect claims, property damage and business interruption claims,  privacy and data breach actions, technology errors & omissions claims, municipal liability claims, historic sexual abuse claims, and domestic, U.S., and international environmental contamination claims.

 Recognition

Recognition

  • Listed in Expert Guides' Guide to the World's Leading Insurance & Reinsurance Lawyers
  • Recognized by Best Lawyers® in Canada 2025 in the area of Insurance Law 
  • Rated by Lexpert® Canadian Legal Directory as a Leading Practitioner (Repeatedly Recommended) in Commercial Insurance Litigation
 Speaking
 In the Media  News
 Memberships

Memberships

  • Ontario Bar Association
  • Law Society of British Columbia
  • Washington State Bar Association
  • Board Member, Canadian Defence Lawyers
  • Federation of Defense and Corporate Counsel
  • Defence Research Institute
  • Federation of Defence and Corporate Counsel (FDCC)

2024 Lexpert Ranked Lawyer

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