Marie-Philippe Lavoie

Katherine Loranger is a member of the litigation group in the Montréal office of Langlois Lawyers. She has wide-ranging expertise in civil and commercial litigation, particularly in the areas of insurance law, construction litigation, professional liability and product liability. Katherine also has significant experience in matters involving fraud, representing clients before all levels of the courts and advising them on the detection, investigation, prevention and recovery of proceeds...

Constantinos Ragas is a senior partner at Fasken and a national co-lead of the firm’s Emerging Technology Group, a premier legal practice serving Canada’s innovation economy. Based in Montréal, he is widely recognized as one of the top venture capital and technology M&A lawyers in the country, with a practice that blends legal precision, strategic thinking, and deep market insight. For nearly two decades, Constantinos has played a leading role in shaping Québec&r...

Nadia Guizani is an associate in the Real Estate Group. In her practice, Nadia represents and advises clients on a wide range of commercial real estate matters, such as the sale and acquisition of real estate property, real estate financing and development, as well as commercial leases for all types of properties.

Author of “Drug and Health Products Law in Canada” with a Doctor of Law degree, Mathieu Gagné is recognized as a leading lawyer in drug and other health products (medical devices, cosmetics, natural health products, etc.) related laws. He advises and represents various stakeholders in the health and life sciences sector. Mathieu has a unique knowledge of the legal framework governing drugs and other health products, from their inception in the lab to their consumption. Well...

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...

Philippe St-Louis is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Venture Capital Law. Philippe, who practices law in Montréal, Quebec, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Philippe is held by other top lawyers in the same geographic and legal practice area.

Éric Thibaudeau is a partner and a member of the Labour and Employment Group. He has special expertise in the area of occupational health and safety, regarding issues within the jurisdiction of the Administrative Labour Tribunal (ALT) as well as penal infractions prosecuted by the CNESST that are heard in the Court of Québec’s Criminal and Penal Division. He also acts for employers in grievance arbitrations, labour-relations matters and collective agreement decrees. In add...

Marc-André Groulx is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. Marc-André, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc-André is held by other top lawyers in the same geographic and legal practice area.

Audrey Charest practices labour and construction law at our Montreal office. She cumulates several years' experience in the construction industry as a lawyer in labour relations, occupational health and safety and criminal law. Audrey works on a variety of business and management issues, including the application and interpretation of Bill R-20, collective agreements and workforce management. She also has experience as a corporate trainer on psychological and sexual harassment in the workplac...

Martin Pichette is a partner of the Litigation group and a member of the Board of Directors of the firm. He acts primarily as a commercial and civil litigator, focusing on cases related to construction law, professional liability, damage insurance, and product liability. Before joining the firm, Mr. Pichette practised for many years with another leading law firm in the areas of commercial litigation, construction, and real estate. He has also worked as a political assistant with the Senate of...