William B. Rosenberg

Yannick is an expert in construction law providing advice to owners, general and specialized contractors, and suppliers of materials. He is experienced in handling claims for delays, breach of contract and the recovery of funds, particularly through the use of construction hypothecs, as well as claims for faulty work and hidden defects. He has represented various construction industry stakeholders before traditional courts and bodies offering alternative dispute resolution methods, such as ar...

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...

Peter Wiazowski practises corporate finance and securities law, focusing on cross-border debt capital markets and banking. With extensive experience in liability management, he represents borrowers and lenders, and issuers and underwriters, in secured loans, debt offerings, debt tender offers and strategic refinancings, as well as debt finance solutions for M&A, asset portfolio optimization and project finance. Mr. Wiazowski is a seasoned liability management practitioner, representing bo...

Marie-Christine Gagnon is a top attorney recognized by Best Lawyers in the practice area(s) of Aboriginal Law / Indigenous Practice. Marie-Christine, 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 Marie-Christine is held by other top lawyers in the same geographic and legal practice area.

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

Éliane Dupéré-Tremblay is an associate in the Montréal office's Commercial Litigation Group. Her practice focuses on insolvency and bankruptcy and she is regularly involved in cases involving the security enforcement, asset recovery and restructuring. In the course of her practice, Éliane takes part in hearings before the Superior Court and the Quebec Court of Appeal and represents clients from various sectors and industries. Her broad understanding of the c...

Lawrence Witt is an experienced labour, employment and human rights law practitioner. He regularly acts on behalf of clients in labour and employment litigation matters before administrative tribunals, arbitration tribunals as well as first instance and appellate level courts. Lawrence has developed considerable expertise in electronic discovery and data preservation, the drafting and pleading of injunction applications seeking the enforcement of restrictive covenants, return of information a...

Amélie Béliveau practises intellectual property law and commercial litigation. She is involved in all aspects of litigation, including drafting legal opinions and proceedings, and pleading before various courts. Amélie’s work in intellectual property focuses on matters relating to trademarks, copyrights, defamation and the right to control one’s own image. In her trademark practice, Amélie assists clients with all stages of securing Canadian protection....

Jean-François Perreault is Chair of the firm’s Québec Region Tax Group. He has practised tax law for over 20 years, with a focus on commercial and corporate taxation. Jean-François has specific expertise in corporate reorganization and commodity tax planning, and handles matters related to cross-border financing and investment, operations and acquisition structuring in Canada and abroad. He is recognized as one of the best income and commodity tax advisers. He regul...

François Dandonneau is a partner in the firm’s Montréal office. His practice has been centred on Aboriginal law for over fifteen years with a specific focus on matters dealing with mining and natural resources, procurement, taxation and self-governance. Throughout his career, François has acted and played a major role in important litigation matters, notably constitutional cases, before all levels of the courts, including the Supreme Court of Canada. François...