William Rodier-Dumais

Guy Rouleau is a partner in the Business Law Group in our Montreal office. With more than two decades of experience, he advises local and international clients from various sectors on complex commercial legal issues. Guy notably supports companies doing business in Quebec in matters related to mergers and acquisitions, the sale and distribution of products, and transactions involving intellectual capital. In particular, Guy has significant experience working with clients in the information te...

Your interests are Louis Samuel’s priority. Louis is a member of the board of directors and head of the Commercial Litigation team. His practice focuses on real estate and estate litigation, and his clientele consists primarily of real estate owners, developers and brokers. Over the years, he has developed unique advocacy skills and handles a wide array of disputes pertaining to estates and estate liquidation, including disputes involving liquidators, administrators, trustees and heirs....

Martin Thiboutot is a seasoned lawyer specializing in environmental law, municipal law, and general commercial law. For over 10 years, he has provided advice on compliance and regulation, notably regarding natural resource management, environmental permit regimes, environmental declarations, extended producer responsibility, and the management of contaminated land and protected areas, such as wetlands. Martin has significant experience in renewable energy and transmission projects. He has als...

Maxime Turcotte is a partner in the Corporate Group and a member of the firm’s Partnership Board. He has a diverse national and cross-border practice supporting our clients, their boards and special committees with complex and strategic transactions including private & public mergers and acquisitions, corporate & fund finance and project development. Maxime has been recognized as a leading lawyer in these areas by various industry directories such as the Lexpert/American Lawyer ...

Katia Sebastiani is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Katia, who practices law in Montréal, Quebec, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katia is held by other top lawyers in the same geographic and legal practice area.

Gino Martel is a senior partner in the Business Law group, specializing in domestic and cross-border mergers and acquisitions, venture capital and private equity investments, and strategic tax transactions and reorganizations. He offers over 35 years of extensive experience providing legal counsel to significant Canadian and international clients on complex transactions. Gino regularly acts for purchasers, sellers, controlling shareholders and special committees on public and private M&A ...

Marie-Pier Gagnon Nadeau practises as a member of the Litigation and Dispute Resolution Group at our Montreal office. She mainly defends class actions in civil liability, product liability, securities, consumer law and competition law. In the context of multi-jurisdictional class actions, proceeding simultaneously before the courts of several provinces, she has worked successfully to coordinate strategies designed to limit the risks for defendants, and even to promote the resolution of disput...

Louis Clément works primarily in areas relating to the acquisition and sale of businesses, the establishment of consortiums, and the drafting and negotiation of various commercial agreements. Louis specializes in corporate and commercial law, as well as investment management and health law. Louis is also involved in matters relating to mergers and acquisitions, and his professional practice has enabled him to acquire an in-depth knowledge of various industries, including food processin...

François Beauchamp’s hard work and determination have secured him a place at the top of his profession and established him as a leading authority on construction law. François Beauchamp is a renowned litigator who has been representing Québec’s biggest building and bond companies for decades. He wields his wealth of expertise in bonds, construction claims and civil liability to defend his clients’ interests before all courts, whether judicial or arbitral...

André Sasseville has practiced labour and employment law since the beginning of his career. During his many years of practice, he has acted as strategic advisor and spokesperson for a wide variety of employers in negotiating collective agreements and resolving labour disputes. He is an acknowledged expert in crisis management. He represents clients on a regular basis before specialized labour tribunals and civil law courts, including in class action matters. André routinely advi...