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David Rosenbaum Toronto Lawyer

David C. Rosenbaum

Partner Fasken
Jurisdiction Ontario, 1985
Language(s) English
Office(s) Toronto


David Rosenbaum practices in the areas of civil litigation and health law. He has assisted clients in all types of commercial litigation, as well as estate litigation and insurance litigation and he provides advice on health regulatory matters. David represents clients in commercial disputes, including large commercial fraud cases. His extensive experience dealing with complex legal and factual issues includes acting in several large cases involving disputes arising from commercial lease financing.

In the insurance litigation area, David has experience acting for insureds in coverage disputes and brokers in defence of E&O claims. Often involved in the drafting of insurance policies for insurer clients, David is frequently called upon to advise clients on coverage issues. He has also provided expert evidence on the law of Ontario in coverage disputes.

In the estate litigation area, David has acted for both beneficiaries and estate trustees with disputes regarding wills, inheritances and trusts, including will disputes, contested passings of accounts, dependant relief claims, trustee removal applications and breach of trust actions.

David also has experience in the area of health law, where he regularly advises clients on questions relating to the regulation of health care professionals and institutions such as hospitals and medical laboratories. He serves as independent counsel to the Discipline and Fitness to Practise Committees of a major health profession regulator.  He has also acted as College counsel in unauthorized practice proceedings and in  professional disciplinary matters and judicial reviews. He provides regulatory advice to health regulatory Colleges and has drafted regulations for them.

With his extensive knowledge of the regulation of the health care system in Canada, David is sought out for advice on compliance with statutes such as the Canada Health Act, the Health Insurance Act, the Laboratory and Specimen Collection Centre Licensing Act,  and the Commitment to the Future of Medicare Act, as well as advice on regulatory matters in the health field.


Client Work

Date Client

Career & Education


  • LLB University of Toronto
  • BA (Honours), History University of Toronto

Community involvement

  • Board Member, Jerusalem Foundation of Canada
  • Past President, Hillel of Greater Toronto (agency of UJA Federation - Toronto)
  • Former member of the boards of directors of The Canadian Stage Company and St. Lawrence Centre for the Arts

Memberships & Affiliations

  • Member, Canadian Bar Association
  • Member, Ontario Bar Association
  • Member, The Advocates' Society
  • Vice Chair, Insurance Coverage Litigation Committee of the American Bar Association, Torts Trial and Insurance Practice Section


Fasken Institute



Case Comment: Moore v. Sweet, 2017 ONCA 182 “STEP Inside” Newsletter of the Society of Estate and Trust Practitioners
Book Insurance Policy Construction in Canada Chapter in “Reasonable Expectations: Interpreting Insurance Policies in Common Law Jurisdictions, American Bar Association
Getting the Deal Through: Healthcare Enforcement & Litigation 2016 (Canada)

Speaking Engagements

Speaker Role of Tribunal Counsel Society of Ontario Adjudicators and Regulators (SOAR)
Speaker A Litigator's Perspective on Evidentiary Issues Workplace Safety and Insurance Appeals Tribunal (WSIAT) Professional Development Day
Speaker Insurance: Construction and Real Property Department of Justice (Canada)


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