Title : Lawyer, Partner Year of call : 1978

Expertise : litigation | administrative law | professional law | agricultural and agri-food law

Hotline: 514 787-3495

Claude Mageau is a partner in the firm and has been practicing law for 40 years in various aspects of civil, administrative, and commercial litigation. He has worked on many cases involving police ethics and civil liability with regard to various police forces in Québec. He also representedSûreté du Québecbefore the Poitras Commission (inquiry intoSûreté du Québec). Claude regularly argues cases before disciplinary and regulatory authorities in the securities and financial products industry as well as disciplinary committees of various professional bodies. His extensive experience also serves him well in cases of labor law and penal law. To that effect, he represented Transpavé Inc., a corporation which was subject to a charge of criminal negligence causing the death of a worker. It was the first time that a charge of criminal negligence causing death was laid against a corporation in Canada since the 2004 amendments to theCriminal Codecame into force. These amendments facilitate criminal charges against corporations when a work-related injury occurs.

Assistant: Carmen Valmora


  • Litigation (disciplinary, disciplinary, extraordinary remedies)
  • Administrative law (professional conduct, ethics, and governance, disciplinary law, professional orders)
  • Professional law
  • agricultural and agri-food law


  • LL.B., University of Ottawa (1977)

Professional experience

  • Cain Lamarre, Montreal (2004 to present)
  • Ménard Mageau Valiquette, Montreal
  • Davies Ward Phillips & Vineberg, Montreal
  • Quebec Attorney General, Hull and Montreal

Lecturing, conferences, publications

  • Lecture to the Association of Certified Forensic Investigators of Canada
  • Lecture on penal law to the Canadian Institute

Associations, committees, boards

  • Ad hoc syndic, Quebec Bar Association