Arthur J. Wechsler

Mr. Gagné is a partner in the Labour and Employment Law group. He divides his practice between health law and labour and employment law, acting at the strategic level and representing clients before judicial and administrative tribunals. In the field of labour and employment law, his expertise is extensive and diversified. In particular, he handles cases involving employment law, employment contracts, grievance arbitration, labour standards, the interpretation of collective agreements,...

Marc-André practises in the areas of administrative and constitutional law. He has developed specific expertise in judicial review, state immunity, municipal law, federal and provincial regulatory law, the division of constitutional powers and Charter rights (provincial and federal). He also advises public bodies and certain private companies on access to information, state liability and issues related to investigations and the exercise of public powers in the areas of transportation, ...

Guillaume Laberge is a member of the Administrative law group. His practice focuses primarily on administrative and constitutional law. In recent years, Mr. Laberge has acquired significant experience in several specialized areas, such as access to information, privacy, professional law and disciplinary law. He regularly represents and advises public and private companies, including professional orders and public bodies, on matters relating to administrative law litigation, constitutional law...

Ranked by several legal directories as one of Canada's leading lawyers in labour, employment and occupational health and safety law, Dominique L'Heureux is recognized foremost for the relevance of his advice and for his ability to respond quickly, efficiently and practically to complex legal issues. With nearly twenty-five years of experience in labour, employment and occupational health and safety law, Dominique L'Heureux is recognized as a leading lawyer in these matters. In particular, his...

Renée Loiselle is the Montréal local co-chair of our business law group. Renée practises corporate and securities law, with particular emphasis on corporate finance (including both private placements and public financings) and public mergers and acquisitions. She also regularly advises a number of Canadian public companies on continuous disclosure obligations, corporate governance issues and other ongoing securities law questions. Renée serves as a member of the Qu...

Carl Bélanger is a partner and market leader in the Business Law and Corporate Law group at the Montreal office. He has extensive experience in Canadian and cross-border transactions, primarily in mergers and acquisitions, private equity and venture capital. For over 25 years, Carl has assisted investment funds, international industrial groups, as well as family businesses and entrepreneurs in their development, both in Canada and abroad. His experience covers various industry sectors,...

Jean Denis Boucher is a lawyer recognized by Best Lawyers in the practice area of Labour and Employment Law. Jean Denis practices law in Montréal, Quebec Best Lawyers has recognized Jean Denis Boucher since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jean Denis Boucher is held by other lawyers.

Martin is a lawyer practising in the area of banking and finance with a focus on Acquisition Financings. He regularly represents major Canadian private equity firms and is well versed in identifying trends in acquisition financing documentation. Martin is also deeply involved in representing major Canadian Arrangers and Underwriters in syndicated transactions. He is also heavily involved in continuing education. As such, from 2017 to 2023 he led the American Bar Association’s Commercial...

Fabrice L. Coulombe is a lawyer recognized by Best Lawyers in the practice areas of Administrative and Public Law and Corporate and Commercial Litigation. Fabrice L. practices law in Montréal, Quebec Best Lawyers has recognized Fabrice L. Coulombe since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Fabrice L. Coulombe is held by other lawyers.

Seasoned litigator Marc Beauchemin is a key player on Montréal’s municipal and legal scene. As Chair of De Grandpré Chait's Board of Directors and Executive Committee, Marc Beauchemin plays a central role within the firm. His legal practice has two foci. In his first area of practice, municipal law, he represents the private interests of his clients, particularly major property owners, in the context of real estate developments throughout Québec. He and his speciali...