Catherine Guertin

André Prévost is a top attorney recognized by Best Lawyers in the practice area(s) of Alternative Dispute Resolution and Corporate and Commercial Litigation. André, 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 André is held by other top lawyers in the same geographic and legal practice area.

Philipp Duffy offers structured expertise and hands-on experience. Philipp Duffy's practice focuses on real estate and infrastructure, including public-private partnerships and alternative procurement methods. His real estate expertise extends to project development, acquisitions and divestitures (of both single assets and asset portfolios) and land assembly, as well as leasing and real estate financing for a wide range of asset classes including industrial properties, office towers, resorts,...

The Honourable François Rolland, Ad. E. is senior counsel, mediator and arbitrator in Langlois lawyers’ litigation group in Montréal. Mr. Rolland was a Justice of the Superior Court of Québec from 1996 to 2015, and Chief Justice from 2004 to 2015. He presided numerous trials in all areas of the law, including commercial law, class actions, insolvency and corporate reorganizations, as well as matrimonial disputes. He also presided many settlement conferences in civil...

Daniel Grodinsky is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Maritime Law. Daniel, 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 Daniel is held by other top lawyers in the same geographic and legal practice area.

Paul Prosterman practises mainly in the areas of insurance law, class actions, pharmaceutical and consumer product liability. On the insurance front, he has considerable experience respecting insurance coverage, providing opinions and defending insurers' coverage positions; insurance defence; policy interpretation and drafting; "Canadianizing" policy wordings; professional liability insurance; technology errors and omissions; cyber liability; commercial general liability and property claims. ...

Philipp Park is the Quebec Regional Managing Partner and a member of the firm’s Executive Committee. He practises corporate commercial law with a focus on acquisitions and divestitures, private equity, and venture capital. Philipp represents multinational corporations, private equity funds and start-up companies in various sectors and his transactional experience includes domestic and cross-border corporate transactions. Philipp is recognized by The Best Lawyers in Canada in Corporate L...

Marc-André Landry is a member of the Litigation and Conflict Resolution group and focuses his practice on commercial litigation. He frequently assists his clients in resolving their disputes through negotiation, mediation or arbitration, or before the various courts of law. Over the years, he has represented businesses in many sectors, including construction, real estate, renewable energy, conventional energy, new technologies, financial services and pharmaceuticals. Mr. Landry is reco...

Mylany David practices commercial and real estate law, specializing in commercial, real estate and industrial transactions, and in the development and implementation of energy and infrastructure projects. She is also a member of the firm’s Board of Directors. Mylany represents real estate promoters, project developers, financial institutions, lessors and lessees, advising them on the myriad issues inherent in developing and completing projects, which can involve acquiring the necessary ...

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...

Paule Hamelin is a partner in the firm's Montréal office, practising primarily in civil and commercial litigation, including product liability, contractual commercial disputes (contract of services, franchises or leases) and bank litigation. Paule is also involved in the areas of regulatory and compliance law, energy, consumer protection law, marketing and advertising law and privacy law. A portion of her practice is also devoted to extraordinary recourses and class actions. She has ap...