Louis M. Brousseau

Vicky Berthiaume is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law. Vicky, 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 Vicky is held by other top lawyers in the same geographic and legal practice area.

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

Hubert Sibre is regularly involved in high-risk transactions and negotiations along with matters dealing with insolvency, litigation and creditors’ rights (secured and others). His roster of clients includes financial institutions, suppliers, investors along with larger businesses and entrepreneurs dealing with high-risk situations. Entrepreneurs and executives constantly rely on him for his business acumen and to deal with important business and strategic issues. He started his career ...

As a lawyer, businesswoman and corporate director, Pascale Pageau founded Delegatus – Lawyers Collective in 2005 and is still its president today. Delegatus was born out of her need to succeed in everything by fulfilling both her professional and personal aspirations. Motivated by her dream of achieving everything and fuelled by her rebellious side, she wanted more freedom in the way she lived her life. Pascale wanted to create a model that could please the most demanding business clien...

Paul-André is a seasoned lawyer and trademark agent, with over 35 years of experience in franchising and nearly 40 years as a lawyer. During his career, he has developed solid expertise in professional and disciplinary law, in dispute management and resolution, in mergers and acquisitions, as well as in intellectual property. Distinguished by his skills as a trademark agent, Paul-André is an expert in establishing franchise networks, and more particularly networks that offer pro...

Tommy Tremblay is a partner with Langlois Lawyers in Montréal where his practice encompasses every aspect of commercial litigation but is focussed more specifically on the business governance sector (in particular, on matters related to director and officer liability), competition law, securities and white collar defence including administrative investigations and interactions with regulatory agencies on these matter. His governance experience has led him to also acquire specialized ex...

Robert Thiffault is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation, Corporate Law and Tax Law. Robert, 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 Robert is held by other top lawyers in the same geographic and legal practice area.

Jonathan Lafrance is a tax litigator. Based in Montreal, Mr. Lafrance has developed a national practice helping clients resolved their tax disputes. Over the years, Mr. Lafrance has argued cases before the Court of Quebec, the Superior Court of Quebec, the Quebec Court of Appeal, the Supreme Court of British Columbia, the Alberta Court of Queen’s Bench, the Ontario Superior Court of Justice, the Tax Court of Canada, the Federal Court and the Federal Court of Appeal in the context of tax...

Marc Tremblay is a professional engineer and a lawyer. He practices business law with a focus on mergers and acquisitions and financing of private corporations, particularly in the technology and the telecommunication sectors. While handling transactions within the information technology and manufacturing sectors, he negotiates various agreements for the development, licensing, integration,and transfer of technology, the outsourcing of computer services and business processes and the setting ...

Jean Bertrand focuses on commercial and corporate litigation, including class actions and arbitration, and on administrative law, with emphasis on regulated activity such as competition, transportation, international trade and energy. He has appeared frequently before Quebec and federal courts, including the Supreme Court of Canada, as well as before regulatory boards such as the Commission des transports du Québec, the Régie de l’énergie, the Competition Tribunal, ...