François Guay

Antoine Desroches is a partner in our tax team. He regularly advises public and private businesses regarding the Canadian and international tax consequences of their operations, particularly in regard to corporate finance, reorganizations, mergers and acquisitions, as well as on their commercial activities and internal affairs in general. He also represents insurers with respect to representations, warranties and tax insurance policies. In addition, Mr. Desroches provides consultation and pla...

Antoine Guilmain is a partner in Gowling WLG's Montréal office where he co-leads the firm's national Cyber Security and Data Protection Law Group. He holds two PhD's in Information Technology Law from the University of Paris 1 Panthéon-Sorbonne and the University of Montréal. He has published multiple monographs and articles, frequently gives conferences, and teaches at several universities.

Pierre-Olivier Tremblay is a member of the Corporate/Commercial group at the Montréal office. His practice is focused on commercial transactions in the area of infrastructure, transportation, and project financing. He also works in factoring, corporate finance, and structured finance. Pierre-Olivier has significant experience with clients in various sectors, including infrastructure and public-private partnerships (P3), transport, and financial institutions. He holds a master of busine...

Martine Trudeau is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation and Corporate and Commercial Litigation. Martine, 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 Martine is held by other top lawyers in the same geographic and legal practice area.

Virginia Lam adds value through her versatile and multidisciplinary approach. Virginia Lam has over 30 years of real estate law, business law and intellectual property experience. Her multidisciplinary expertise covers all facets of a company’s commercial activities. She assists local, national and international clients with the sale and purchase of assets and shares, service and distribution contracts, real estate sales and acquisitions, development projects and general contractual mat...

David is a partner in the Business Law group, and his practice focuses on corporate finance. He has extensive experience in private practice, in particular, bank financing, project financing, insolvency and private equity. He also acted as vice-president and corporate secretary of a large industrial project and advised many entities on governance issues. More recently, he has represented start-up companies, multinationals and investors involved in engineering, green industrial projects and in...

Frédéric Desmarais's practice covers all aspects of employment and labour law, with a focus on civil employment law matters and litigation, such as duty of loyalty and restrictive covenants. He is also knowledgeable in federal labour and employment law. Mr. Desmarais provides federal and provincial jurisdiction employers with strategic advice on how best to manage their workforces. He acts on behalf of employers before the appropriate authorities, including administrative tribun...

Catherine Daigle practises intellectual property law with a focus on trademarks and advertising issues. She has developed a practice that addresses strategic issues related to trademark portfolio management on an international level for a range of clients in a variety of disciplines. Ms. Daigle assists clients across all the stages of the trademark life cycle, including clearance and availability opinions, developing filing strategies, trademark prosecution and administrative proceedings befo...

With nearly twenty years of experience, Alexis Charpentier has acquired in-depth knowledge in labour relations. He is particularly sought out with regard to collective bargaining and grievance arbitration. Alexis is also recognized for his experience as a speaker and instructor for corporations and employer associations, where he has given hundreds of trainings on all legal issues related to human resource management. Alexis has in-depth knowledge of the collective bargaining process, having ...

Claudia Desjardins Bélisle represents employers in all types of labour and employment matters, but has developed a special expertise in complex litigation surrounding violation of restrictive covenants and violation of proprietary and confidential information obligations, supporting employers during unionization campaigns and the application of the Charter of the French Language. She regularly represents employers before courts and grievance arbitrators. She advises them on union certi...