Lonny J. Rosen, C.S.

E rosen@rosensunshine.com
P 416 572 4901
F 416 981 3086
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Lonny J. Rosen* is certified by the Law Society of Ontario as a Specialist in Health Law. He advises individual, corporate and institutional clients with respect to health care legislation and policies, and represents clients in a wide range of civil and administrative proceedings. He regularly represents health professionals in complaint and discipline matters, investigations, audits and peer reviews, hospital privileges disputes and in hearings before various health tribunals. Lonny advises clients on a wide variety of health law issues, including with respect to privacy, the delivery of private health care and other aspects of practice management. His clients include health care professionals, administrators of health care facilities, professional associations, and individuals.

In 2012, by Order in Council, Lonny was appointed to the Consent and Capacity Board, an independent body created by the provincial government which conducts hearings under legislation such as the Health Care Consent Act and the Mental Health Act.  In this capacity, he presides over hearings of applications by individuals whose involuntary status in hospital or whose capacity to consent to treatment or admission to a care facility is in issue.

Lonny is a leader of the health law bar, having served as Chair of the Health Law Sections of both the Canadian and Ontario Bar Associations, as Program Committee Chair and a member of Council of the Medico-Legal Society of Toronto, and as a member of the Board of Directors of The Advocates’ Society. Lonny has also served as a member of the Hospital for Sick Children’s Research Ethics Board and as a member of the Canadian Hospice Palliative Care Association’s Advance Care Planning Task Group, through which he helped to promote advance care planning in Canada. He remains an active member of The Advocates’ Society, the Society for Ontario Adjudicators and Regulators (SOAR) and the Health Law, Privacy Law, Civil Litigation and Administrative Law Sections of both the Canadian and Ontario Bar Associations and the Medico-Legal Society of Toronto. Lonny frequently writes and speaks on health law issues, including as a faculty member for Osgoode Professional Development’s Certificate Programs in Health Law and Mental Health Law and as co-Director for the Osgoode Certifcate in Professional Regulation and Discipline in the Ontario Health Sector.

Lonny was named to “Best Lawyers in Canada” for Health Care Law for every year since 2014. In 2016, Lonny was named the inaugural recipient of the OBA Susan Hilary Davidson Memorial Award for Excellence in Health Law.


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* Practicing as a professional corporation and Certified by the Law Society of Upper Canada as a Specialist in Health Law


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