Peter Hagen is an Ottawa lawyer and a member of our Personal Injury and Medical Malpractice Group. 

Peter Hagen


Personal Injury
Insurance Law
Medical Malpractice

[email protected]
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Debbie Degen
613-236-0111, ext. 3027
[email protected]

Peter Hagen is an Ottawa lawyer and a member of our Personal Injury, Medical Malpractice and Insurance law groups. Peter has a special interest in personal injury claims and in particular claims arising out of medical negligence.  He has acted as lead counsel on behalf of patients in numerous cases including claims involving cerebral palsy due to hypoxia at birth, kernicterus due to untreated jaundice, partial paralysis following spinal surgery, late diagnosis of meningitis, and a wide range of other claims arising out of medical errors.

Peter has extensive experience with claims for damages arising out of personal injury or death as a consequence of motor vehicle accidents.

Peter has acted on claims for damages arising out of environmental issues, construction issues and product liability.  He acts for a major insurer defending a wide variety of matters.

Peter also has experience in assisting physicians in matters involving hospital privileges.

Year of Call to Bar



LLB, Queen’s University (1976)



Awards & Recognitions

Peter has, and continues to be, recognized by his peers for his expertise in the field of Personal Injury/Medical Negligence.  He is recognized in “Best Lawyers in Canada*” and Benchmark Canada in the area of Personal Injury. He is also recognized by Lexpert for his expertise in Medical Negligence.  Peter was inducted as a Fellow of the American College of Trial Lawyers in 2010.

Community Activities & Memberships

Peter is a past President of the Medical-Legal Society of Ottawa-Carleton and a former director of the Advocates Society.

Conferences, Publications, Presentations, & Seminars

Peter has presented papers at continuing education functions for the Ontario Trial Lawyers Association, the Law Society of Ontario, and the County of Carleton Law Association.

Cases & Transactions

Peter has appeared before the Superior Court of Justice, Divisional Court and the Court of Appeal.  He has also acted as a mediator and an arbitrator on occasion when requested by other counsel.