Louis-Martin O'Neill

Stephen Kelly is the Canadian national chair of our business law group. He practises corporate and securities law, with particular emphasis on corporate finance and mergers and acquisitions. He regularly acts for large public companies, underwriters and investors in public offerings, including initial public offerings, bought-deal transactions and cross-border offerings as well as private placement transactions.Mr. Kelly frequently advises on public and private mergers and acquisitions both n...

An entrepreneur at heart, Seth Abbey understands your reality. Seth Abbey practises in business law, with a particular interest in entrepreneurship. His practice focuses on private equity/venture capital financing, mergers and acquisitions, corporate finance, technology, multigenerational planning and transfers and acting as general counsel for small and medium-sized businesses. With both a law and a business degree from McGill University, Seth Abbey understands the interconnectivity of the t...

Ayse Gauthier is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law and Technology Law. Ayse, 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 Ayse is held by other top lawyers in the same geographic and legal practice area.

Hugues Duguay is a Partner in our Insurance Law Group. His practice focuses on civil and commercial litigation in insurance matters, more particularly in the areas of professional errors and omissions, and product liability. He frequently appears before the Superior Court, the Court of Appeal and other jurisdictions in Quebec. Over the years, he has counseled many insurance companies with respect to the interpretation of property insurance policies as well as CGL, E&O and D&O liabilit...

Jean-François focuses his practice on defending professionals of all professions in all aspects covered by professional, disciplinary and deontological law. He also advises professionals in all aspects of their practice. Jean-François has extensive experience in class actions, defending various commercial businesses and a variety of professionals. With over 40 years of litigation experience, he has represented numerous clients before all civil courts in Quebec, as well as before...

Patricia Fourcand, Ad.E., practices family law at the Montreal office of Fourcand, Tremblay, Kissel, Plante . She has a recognized expertise in family litigation with an international law component. She received the designation of Emeritus Lawyer from the Quebec Bar in 2021. Patricia has worked on complex cases, such as child abductions, the validity of foreign or religious marriages, as well as the multijurisdictional division of assets. Her representations as regards the rights of fathers w...

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

Jean-François is a partner in the Business Law Group in our Montreal office. He works in the technology, media and telecommunications industries, as well as in life sciences and health. He is particularly experienced in mergers and acquisitions, start-up companies, venture capital and business services. Jean-François advises many companies – start-ups and well-established alike – in their various stages of growth, from inception to sale. He has a clear understanding ...

Simon Laberge practises with the Labour, Employment and Human Rights group. He is involved in every area of labour and employment law, be it collective agreements or individual contracts of employment, including human rights, labour standards and occupational health and safety. Simon represents clients before the civil courts and administrative tribunals in matters involving dismissal, grievance adjudication, certification and occupational health and safety. He has solid experience in the man...

Quentin Lageix is a partner in the Tax group. His practice encompasses all aspects of tax law. More specifically, Quentin advises clients on transactional taxation, international taxation and tax planning matters. Quentin participates in developing and implementing complex tax strategies. His practice focuses on domestic and cross-border corporate restructurings, reorganizations, mergers and acquisitions.