Peter Hagen


  • Environmental Law

  • Insurance Law

  • Medical Malpractice

  • Personal Injury


About Peter

For over 40 years, Peter Hagen has helped clients make their way through the litigation process. He has assisted clients involved with serious injury claims arising out of all manner of causes including product malfunction, medical negligence, municipal liability and all manner of accidental or intentional injury.

Peter began his career representing insurance companies, and has acquired a broad understanding of insurance liability, including the knowledge required to help clients identify the strengths and weaknesses of the claims and defences being put forward.

Peter understands how important it is to move claims along as quickly as possible, leveraging his long-term involvement in the areas of insurance and medical malpractice law and relationships with medical and other experts to obtain fast answers and opinions.

Peter also takes on clients on a contingency fee basis and is an advocate for an open discussion of these fees to ensure the client is receiving fair value and understands the contingency fee and implications for the claim.

This balance of legal expertise and caring for the client has earned Peter recognition across the industry, including recognition in “Best Lawyers in Canada from 2008”, Lexpert and Benchmark Canada.

Call to Bar 1978


LLB, Queen’s University (1976)


Ottawa Office



Professional Memberships and Affiliations

  • John P. Nelligan Award for Excellence in Advocacy 2018
  • Past President of the Medical-Legal Society of Ottawa-Carleton
  • Former director of The Advocates’ Society


  • Ontario Trial Lawyers Association
  • The Law Society of Ontario
  • The County of Carleton Law Association.
  • The Superior Court of Justice
  • The Divisional Court
  • The Court of Appeal