Katherine Poirier

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...

Partner - Leader of the Business Law Group René Branchaud, partner, practises in the fields of securities, mergers and acquisitions, as well as corporate law. With more than thirty years’ experience, he advises companies on matters such as incorporation and organization, the drafting of shareholder agreements, private placements, public issues, going public, dispositions, and takeovers. His services are in demand with European entrepreneurs and investors, primarily in France, wis...

Pierre-Olivier Charlebois is a leading lawyer in the areas of environmental, mining, energy, climate change and corporate social responsibility law. Recognized by his peers across Canada and internationally due to his multidisciplinary expertise, Pierre-Olivier is the go-to legal reference. Pierre-Olivier is the leader of the Corporate Social Responsibility group. He also heads the Environmental, Energy and Climate Change group for the Quebec region. Pierre-Olivier advises clients on complian...

Pierre-Paul Persico is a partner in the tax group at our Montreal office. With extensive experience in tax law, he provides advice and representation in several key areas, including corporate reorganizations and estates, trust creation and estate planning, including post-mortem strategies. Pierre-Paul's prominent ability to give strategic tax advice has attracted his diverse client base, which includes businesses, professionals and high-net-worth individuals. With his in-depth understanding o...

Jane Bogaty practices corporate and commercial law in the Banking and Finance group of Lapointe Rosenstein Marchand Melançon. Jane advises individual lenders, syndicates of lenders as well as corporate borrowers on a variety of financings. Jane also represents manufacturers and distributors of equipment and machinery providing floor and other types of financing for their clients in Quebec for whom she frequently drafts and negotiates loan, security and other ancillary agreements and do...

Ronald Toledano is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law. Ronald, 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 Ronald is held by other top lawyers in the same geographic and legal practice area.

Seasoned litigator Marc Beauchemin is a key player on Montréal’s municipal and legal scene. As Chair of De Grandpré Chait's Board of Directors and Executive Committee, Marc Beauchemin plays a central role within the firm. His legal practice has two foci. In his first area of practice, municipal law, he represents the private interests of his clients, particularly major property owners, in the context of real estate developments throughout Québec. He and his speciali...

Mathieu Renaud is part of Fasken’s Real Estate law practice group. He joined the firm in 2016, after working in the legal affairs department of one of the largest real estate companies in the world. Mr. Renaud participated in several major real estate transactions involving foreign private and public institutional investors. Mr. Renaud practices primarily transactional real estate law. As part of the Real Estate law practice group, he acts for owners, managers, lenders, private and publ...

Jonathan Halwagi provides counsel in the areas of asset management and investment funds. His practice focuses on the establishment of fund structures with an emphasis on alternative asset management (including private equity, venture capital, infrastructure and lending). He also regularly acts for Canadian and international asset managers, assisting them with their compliance with applicable Canadian securities laws and regulations. Jonathan assists asset managers in their dealings with Canad...

Since 1978, Me François Alepin has carried on his law practice at the Alepin Gauthier law firm in Laval, which today includes approximately twenty lawyers and where he is in partnership with Me Brigitte Gauthier. He assists his clients, who for the most part are businessmen operating small and medium sized enterprises, in the drafting and analysis of all kinds of contracts touching upon their needs in the ordinary course of their businesses. This has led to his acting with respect to t...