Jacques R. Fournier

Jean-François Gagnon is the Chief Executive Officer of Langlois Lawyers. He is also a member of the firm’s Executive Committee and Board of Directors. His practice focuses on complex commercial litigation, corporate governance, strategy, crisis management, ethics and deontology. He has wide-ranging experience in matters involving directors’ and officers’ liability, the management of not-for-profit organizations, construction law and insurance law. Jean-François...

Partner Marc-André Godin practices commercial law, with specific expertise in real estate, investments, commercial leases, procurement and general commercial law, in particular: Real estate development Purchase/sale of commercial real estate properties Commercial offers/leases, licensing agreements Financing Franchises Distribution agreements Calls for tenders Other commercial contracts Marc-André has been involved in a number of major transactions over the course of his career,...

Jonathan Warin is a member of the firm's Commercial Litigation Group and specializes in bankruptcy and insolvency, extraordinary remedies and realizing on security. He regularly intervenes in various insolvency cases, whether to represent institutional lenders, trustees or debtors in a restructuring and liquidation context. Mr. Warin also handles commercial litigation cases of all kinds, particularly shareholder remedies and injunctions. Mr. Warin is Head of Practice Litigation and Conflict R...

Julie Desrosiers practices intellectual property litigation. Julie regularly acts on behalf of high-tech corporations and advises clients on injunctions, seizures and proceedings to protect their intellectual property, trade secrets and strategic information. Julie’s practice is currently focused almost exclusively on patent litigation. A seasoned litigator, she has been involved in several important patent infringement cases in the pharmaceutical sector. She appeared before the Supreme...

Jean-Daniel Lamy is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Expropriation Law and Municipal Law. Jean-Daniel, 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 Jean-Daniel is held by other top lawyers in the same geographic and legal practice area.

Luc Lissoir is a partner in the firm's Montréal office, practising in securities and corporate and commercial law with particular emphasis on public and private securities offerings, project financing, private equity, mergers and acquisitions and general corporate counselling. After having served as managing partner for Lafleur Brown from 1995 to 2000 and for Gowlings from 2000 to 2007 and following a change in governance, Luc was an active member of the six person Board of Trustees of...

Emmanuel Grondin practises corporate and commercial law, with particular emphasis on mergers and acquisitions and securities matters.

Tommy Tremblay is a partner with Langlois Lawyers in Montréal where his practice encompasses every aspect of commercial litigation but is focussed more specifically on the business governance sector (in particular, on matters related to director and officer liability), competition law, securities and white collar defence including administrative investigations and interactions with regulatory agencies on these matter. His governance experience has led him to also acquire specialized ex...

Vincent de l’Étoile is a partner of the litigation group and he is a member of the firm’s Board of Directors. He has specialized mainly in the fields of civil and commercial litigation, class actions, product liability, consumer law and competition law. Vincent is a creative and dedicated lawyer combining pragmatism and depth to satisfy clients’ needs. He is leading cases, advises and assists his clients in various fields. His practice is mainly characterized by the d...

Noah Zucker practices primarily in the areas of commercial insolvency and banking law. He acts for creditors, debtors, court-appointed officers and other stakeholders in matters ranging from complex corporate reorganizations to personal bankruptcies. Noah also represents clients in other civil or commercial disputes and advises on deals, always striving to find practical, business-oriented solutions to difficult problems. Noah appears regularly before the Superior Court of Québec and h...