Yves Martineau

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.

Marc-Olivier Plante is a member of our tax team. His practice encompasses all tax aspects of mergers and acquisitions, corporate financing, business reorganizations and international transactions. He also handles matters relating to estate planning and transfers of family businesses. Mr. Plante also assists a wide array of taxpayers in disputes with the tax authorities, particularly in income tax and consumer tax matters. He also advises taxpayers in connection with voluntary disclosures and ...

Marie Lafleur is a seasoned intellectual property litigator. She regularly appears before the courts in proceedings under the Patented Medicines (Notice of Compliance) Regulations and litigation concerning pharmaceutical patent infringement or invalidity. Her expertise encompasses biologicals and biosimilars. Marie has represented numerous companies in proceedings to prevent the Minister of Health from issuing Notices of Compliance that would allow generic versions of patented drugs to be sol...

Marie-Claude Cantin is a partner in the Litigation and Dispute Resolution group and head of the Financial Products and Services team. In her litigation practice, she represents the interests of insurers and their insureds in different types of claims, leading her to work with a variety of clientele, from manufacturers and entrepreneurs to professionals like engineers, architects, land surveyors and insurance brokers. She acts before the courts in complex and far-reaching cases in a number of ...

Mr. Joanisse’s clients include corporations such as Xerox Canada, Garda and Neptune Technologies, as well as public entities such as the city of Saint-Eustache and the Agence Métropolitaine de transport, Greater Montreal’s public transit commission. Mr. Joanisse has represented his clients in the following capacities: Representing majority and minority share­holders in numerous oppression remedy actions before Quebec courts. Defending several corporations against oppres...

Melissa Tehrani is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising and Marketing Law. Melissa, 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 Melissa is held by other top lawyers in the same geographic and legal practice area.

Audrée Dufresne has been representing and advising employers on labor and employment law and workers’ compensation matters for more than 15 years. She brings experience in both private practice and corporate legal departments to her vision of serving clients, balancing the accessibility and strategic thinking of in-house legal counsel with the expertise of specialized external counsel. Ms. Dufresne is known for her practical approach and her ability to work seamlessly with your c...

André Champagne is a partner and a member of Lavery’s Business law group. He has extensive professional experience in commercial and business law and has represented clients before all levels of court, including the Supreme Court of Canada. In 2006, Mr. Champagne was elected Fellow of the International Society of Barristers. Membership is by invitation only after a thorough screening process that considers the lawyer’s ability, experience, accomplishments, and ethical stand...

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...

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