Sonia Rainville

Meghan Stewart is a partner in the Corporate Group. Her practice focuses on domestic, international and cross-border private mergers, acquisitions, divestitures, and other corporate transactions. Meghan has considerable experience leading and advising clients in connection with complex multi-jurisdictional transactions involving multiple stakeholders. Meghan has an impressive track record of working with clients across a wide range of industries, including transportation, healthcare, oil and ...

Louis is a partner of the firm. Member of the Quebec, Ontario, and New York bars, he has been practicing civil and commercial litigation and arbitration since 2004. He regularly represents clients before both trial and appellate courts, as well as before domestic and international arbitral tribunals. He has particular expertise regarding contractual disputes, corporate and shareholder litigation, manufacturers’ liability, insolvency, employment law, private international law and injunct...

Louis Dessureault is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Louis, 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 Louis is held by other top lawyers in the same geographic and legal practice area.

Vincent Routhier’s practice focuses on international trade and customs law; particularly in trade remedies (ADD | CVD), cross-border trade facilitation and customs/export controls compliance. He assists clients in developing import and export compliance programs and has represented clients before Canadian, U.S. and European agencies in the context of trade and customs proceedings. He advises corporate clients and governments on a broad range of international trade and customs law techni...

Julie Tremblay is passionate about defending taxpayers’ rights. Julie is the head of the Tax Litigation team. She assists individuals and companies in disputes with tax authorities, including income and commodity (GST/QST) tax disputes. Having previously worked at Revenu Québec, she has a unique understanding of the organization and uses this advantage to help clients navigate administrative tax procedures, including voluntary disclosure, tax audits and objections. She also has e...

Isabelle Casavant specializes in civil litigation, with an emphasis on insurance, civil liability, and product liability. An experienced litigator, she also regularly participates in settlement conferences, which leads her to seek creative and proactive solutions to promote quick and cost-effective dispute resolution. In the insurance field, in addition to defending insureds, she has developed an expertise in insurance contracts, frequently advising and representing insurers on questions of i...

Mr. Claude-Armand Sheppard, Ad. E., is a Partner in our Civil and Commercial Litigation Group. His practice focuses on most aspects of civil and commercial litigation, especially defamation, shareholder conflicts, and administrative and constitutional law, as well as claims by senior executives for wrongful dismissal. He frequently appears as head counsel in very significant disputes or as arbitrator of commercial disputes. He is one of the most the prominent members of our Litigation Group.

Yves Robillard is a litigator with more than 30 years of experience in sophisticated commercial litigation. He represents clients in a wide range of industry sectors, from banks and insurers to major manufacturers in commercial and contractual disputes as well as ‘high stakes’ securities litigation matters. His approach is to focus on devising and implementing strategies to mitigate risk, reduce nuisance litigation, and ensure that his clients’ interests are protected in the...

Marc Tremblay is a professional engineer and a lawyer. He practices business law with a focus on mergers and acquisitions and financing of private corporations, particularly in the technology and the telecommunication sectors. While handling transactions within the information technology and manufacturing sectors, he negotiates various agreements for the development, licensing, integration,and transfer of technology, the outsourcing of computer services and business processes and the setting ...

Sophie Melchers practises mainly in the areas of commercial, corporate and securities litigation. She has represented clients before the Quebec courts and the Supreme Court of Canada in connection with disputed take-over bids, dissenting shareholder remedies, plans of arrangement, insider trading and market manipulation. Her broad experience in securities litigation also encompasses representation of reporting issuers and their officers in connection with investigations conducted by the AMF, ...