Gabriel Lefebvre

Larisa Albu is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Larisa, 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 Larisa is held by other top lawyers in the same geographic and legal practice area.

Mathieu Cardinal focuses his practice on professional and disciplinary law. He represents various professionals, professional orders, and trustees. He has a background in mechanical engineering, which allows him to understand the technical aspects of his clients' practices in the construction industry. He regularly pleads before civil courts and disciplinary bodies.

Kevin Vincelette is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. Kevin, who practices law in Montréal, Quebec, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin is held by other top lawyers in the same geographic and legal practice area.

John Hurley is a partner in the firm’s Montréal office and leader of the Aboriginal Law Group. He has more than 30 years experience in commercial law, with special emphasis on First Nations, energy and infrastructure, environmental law, regulatory matters and international development. John has long worked with Aboriginal peoples in Québec, especially the Crees and the Inuit, on a wide variety of matters, including government relations, energy and natural resources, enviro...

Paul's practice focuses primarily on corporate and commercial law, particularly in the field of companies, not-for-profit corporations, partnerships and commercial contracts. He is renowned for his ability to formulate pragmatic and innovative solutions to the most complex legal problems in corporate law. Paul was a law professor for over 25 years and author of several authoritative legal texts on corporate law and a contributor in most of the major corporate law journals, including the Revue...

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...

Julien's practice covers a variety of areas of civil and commercial litigation, ranging from contractual disputes to real estate law. Over the years, he has developed a particular expertise in environmental law litigation, specifically in contamination cases. Julien also practices disciplinary law, representing professionals before their disciplinary bodies, particularly pharmacists. Since joining IMK in 2009, he has accumulated extensive experience in court, both at first instance and on app...

Sébastien Bellefleur has extensive experience in business law, more specifically in securities, mergers, acquisitions, corporate governance and mining law. He also helps set up funding, whether in the form of loans or equity financings. He has drafted a number of complex transactions on behalf of public and private corporations, such as the purchase, sale, funding and restructuring of businesses throughout Canada and abroad. He has represented issuers and brokers in connection with ini...

Vincent Rochette is a meticulous and versatile litigator who manages major civil, commercial, administrative and constitutional disputes. His practice focuses primarily on class actions, complex commercial litigation as well as appeal proceedings, including before the Supreme Court of Canada. Practising out of our Montréal and Québec offices, Mr. Rochette represents a diversified clientele before all levels of courts and several administrative tribunals. Mr. Rochette is currentl...

Mr. Claude-Armand Sheppard, Ad. E., is a Partner in our Civil and Commercial Litigation Group. His practice focuses on most aspects of civil and commercial litigation, especially defamation, shareholder conflicts, and administrative and constitutional law, as well as claims by senior executives for wrongful dismissal. He frequently appears as head counsel in very significant disputes or as arbitrator of commercial disputes. He is one of the most the prominent members of our Litigation Group.