John Lenz

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...

Founding Partner of BCF LLP, Mario Charpentier co-heads our Corporate Finance sector. Mario was Managing Partner of BCF for 25 years, from the foundation of the firm in 1995 until November 2019. As a tax practitioner, he advises clients from every industry on the legal and business strategies to adopt to best grow their business. Mario draws upon a well of legal expertise and a vast network of personal and business relationships to address our clients’ challenges and provides tailored s...

Claudia Déry is the Canadian co-head of our construction and engineering team. She has advised and represented before the courts a number of clients in construction-related matters, including major public-private partnership projects. She has experience in drafting tender documents and construction law topics and conducts the annual review of construction case law for the Canadian Bar Association. She has been ranked in the Best Lawyers in Canada since 2006 in the area of construction ...

Annie Bernard's practice focuses on a broad range of complex matters, including construction and class action litigation. She represents clients in almost every sector of the construction industry ranging from owners to general contractors, subcontractors and suppliers on issues involving financing, construction defects, project management, professional liability and breach of contract. She has also developed expertise in issues relating to invitations to tender, legal hypothecs for construct...

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...

Luc R. Borduas is a partner of the firm and he devotes his practice to corporate law, including mergers and acquisitions, partnerships, and joint ventures in the fields of pharmaceuticals, intellectual property, as well as domestic and international trade. Mr. Borduas represents many national, international, and regional companies active in the manufacturing, commercial, and services sectors, including venture capital firms. Mr. Borduas also represents universities and university health centr...

Guy Gilain has a specialized practice in construction law with considerable experience in litigation and contractual issues. His clients include public and private companies, general and specialized contractors, and equipment suppliers. He also represents national and multinational companies as well as various construction industry associations. Guy has earned a solid reputation as a seasoned litigator with respect to lengthy litigious construction matters. Guy provides advice on the full sco...

Noah Boudreau is a member of the Litigation & Dispute Resolution group. His practice is primarily focused on class action, product liability, cybersecurity, consumer protection and transportation litigation matters. Noah acts regularly for internationally known corporations in the defence of significant private and class actions. Many of his cases have cross-border and international implications and Noah works closely with counsel in the U.S. and other jurisdictions to ensure strategic co...

Nathalie Proulx is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Nathalie, who practices law in Montréal, Quebec, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nathalie 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 ...