Marc-André LeChasseur

Martin Thiboutot is a seasoned lawyer specializing in environmental law, municipal law, and general commercial law. For over 10 years, he has provided advice on compliance and regulation, notably regarding natural resource management, environmental permit regimes, environmental declarations, extended producer responsibility, and the management of contaminated land and protected areas, such as wetlands. Martin has significant experience in renewable energy and transmission projects. He has als...

Piero Biasini manages your transactions from A to Z. Piero Biasini practices real estate law and financing. He acts on behalf of real estate developers, investors, landlords and tenants with respect to the acquisition and disposition of real properties in and outside Québec, and assists them with leasing matters and other real estate transactions. As such, he is involved in all aspects of a transaction, including the negotiation, review and drafting of agreements. Piero Biasini also ad...

Annie Claude Beauchemin is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Insolvency and Financial Restructuring Law. Annie Claude, 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 Annie Claude is held by other top lawyers in the same geographic and legal practice area.

Robert Dupont’s practice encompasses every aspect of labour and employment, human rights and administrative law. He offers clients extensive experience in labour relations, specifically the protection of personal information, pay equity and pension plans. For many years businesses have trusted Robert to advise them on the cross-border flow of personal information, collective bargaining and restructuring. Robert has also won their trust by representing clients before various arbitration ...

Julien Archambault is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation, Director and Officer Liability Practice, Insolvency and Financial Restructuring Law and Insurance Law. Julien, 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 Julien is held by other top lawyers in the same geographic and legal practice area.

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...

Daniel Lacelle is partner in the firm's Montréal office and is the office leader of the Tax Law Group. He practises in taxation law with particular emphasis on corporate and transactional taxation, including in relation to mergers and acquisitions, corporate reorganization, infrastructure, debt and equity financing, foreign entities and aboriginal tax. He has acted for financial institutions, equity investors and other corporate entities with respect to public and private corporate fin...

Alain Y. Dussault is a partner, lawyer and trade-mark agent in Lavery’s intellectual property group. He practices mainly in intellectual property litigation and has an extensive experience in patents, trade-marks, copyrights and industrial designs litigations. He acted in several high-profile intellectual property litigations including multijurisdictional litigation for clients in various industries, such as: pharmaceutical, food, electronics, forest and entertainment. He has represente...

A member of the Quebec Bar since 2017, Me Mélissa Potvin specializes in immigration and citizenship law. A member of the Quebec Immigration Lawyers Association and the Canadian Bar Association, Me Potvin works on all types of cases covering the entire immigration process in Canada: from temporary residency to permanent residency to citizenship, in addition to compliance audits of employers hiring temporary foreign workers. Prior to joining Cain Lamarre, Me Potvin acquired extensive exp...

Brian Daley practises intellectual property law, with a focus on patents, trademarks and litigation at the trial, appellate and Supreme Court levels. He has particular experience in regulatory matters and litigation involving mechanical, medical device and pharmaceutical patents. He worked as an engineer for four years before studying law. Mr. Daley is often retained to act as lead counsel on complex patent litigation and has been recognized as one of Canada’s leading lawyers in this ar...