Constantine Troulis

A member of the Quebec Bar since 2017, Me Mélissa Potvin specializes in immigration and citizenship law. A member of the Quebec Immigration Lawyers Association and the Canadian Bar Association, Me Potvin works on all types of cases covering the entire immigration process in Canada: from temporary residency to permanent residency to citizenship, in addition to compliance audits of employers hiring temporary foreign workers. Prior to joining Cain Lamarre, Me Potvin acquired extensive exp...

Eric Lefebvre's litigation practice involves a broad range of commercial litigation matters, including competition law, class actions, banking, consumer law, corporate disputes and commercial contracts. He has particular experience in urgent remedies such as seizures and injunctions of various kinds. He has been retained both by petitioners and respondents in many high-stakes shareholder oppression cases and has defended parties facing cartel and bid-rigging accusations before criminal courts...

Ayse Gauthier is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law and Technology Law. Ayse, 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 Ayse is held by other top lawyers in the same geographic and legal practice area.

Louis Tassé is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Louis, who practices law in Montréal, Quebec, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Louis is held by other top lawyers in the same geographic and legal practice area.

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.

Me Robert E. Boyd exerce en droit du travail et de l’emploi pour aider les employeurs de divers secteurs à mettre en place de bonnes pratiques, à prévenir les litiges et à prendre des décisions stratégiques lors de conflits. Avocat et conseiller en relations industrielles agréé, il propose des solutions pragmatiques et concrètes pour résoudre des situations complexes. Me Boyd conseille ses clients sur tous les aspects...

Martin Legault is a partner in the Tax Group. He has a diversified practice. It is particularly focused on commercial transactions and encompasses all aspects of Canadian tax law. He advises clients on complex tax aspects related to mergers and acquisitions, reorganizations, restructurings, financings, spin-offs and divestitures. He has in-depth know-how relating to the tax aspects related to restructuring of entities experiencing financial difficulties. Before joining Fasken, he was a partne...

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...

Étienne Dubreuil’s expertise applies to structuring and negotiating complex transactions, whether in international partnerships or partnerships between public sector and private sector. He specializes in matters dealing with the marketing of intellectual assets and the outsourcing of services.

Jean-Philippe Joyal is a partner in the firm’s Investment Funds Group. Jean-Philippe focuses his practice on advising managers on all aspects of their business including the structuring, formation, marketing and management of investment funds, the launching of new business lines, GP-led secondaries, strategic investments and transactions and regulatory issues. Jean-Philippe has represented numerous managers in establishing open-end and closed funds, fund-of-funds structure, special purp...