Jean-François Lehoux

Jean-François focuses his practice on defending professionals of all professions in all aspects covered by professional, disciplinary and deontological law. He also advises professionals in all aspects of their practice. Jean-François has extensive experience in class actions, defending various commercial businesses and a variety of professionals.

With over 40 years of litigation experience, he has represented numerous clients before all civil courts in Quebec, as well as before various civil, disciplinary, and administrative bodies (disciplinary councils, the Tribunal des professions, in-hospital disciplinary committees, administrative boards of the Quebec Bar and the Collège des médecins du Québec, and others), and before the Supreme Court of Canada.

Jean-François has also represented and advised law students, Quebec Bar students, as well as medical students and residents. He taught evidence law at the École du Barreau du Québec, was a member of the Quebec Bar's Disciplinary Council and sat on the Bar’s Liaison Committee with the Quebec Court of Appeal. Additionally, he is also a guest professor at Université Laval and Université de Montréal, teaching professional liability and damage assessment.

Areas of practice

• Civil and commercial litigation
• Disciplinary and deontological law
• Class actions

Representative work

• Defending a Quebec university in a lawsuit involving allegations of malpractice with respect to scientific publications.
• Defending a U.S. footwear manufacturer doing business around the world in a class action based on alleged misrepresentations.
• Defending a European pesticide company in a class action relating to alleged bee diseases.
• Defending an Australian mining company in a class action brought in Quebec by citizens of the DRC following the suppression of an insurrection in the DRC.
• Defending a Japanese electronics manufacturer in a class action lawsuit for theft of personal data.
• Defending a U.S. tobacco company in the two largest class action lawsuits ever filed in Canada involving allegations of addiction and disease caused by tobacco.
• Defending a neonatal doctor in one of the largest medical liability lawsuits ever filed in Canada following the serious injury of a baby at birth.
• Advising one of Canada’s largest digital health and wellness platforms in a compliance investigation conducted by the syndicate of the Collège des médecins du Québec.
• Defending many Quebec doctors through a non-profit organization offering medical liability protection to its members.
• Defending numerous Quebec professionals in the context of investigations and disciplinary complaints conducted by various Quebec professional orders.