Marc-André LeChasseur

David Banon is a top attorney recognized by Best Lawyers in the practice area(s) of Alternative Dispute Resolution and Corporate and Commercial Litigation. David, who practices law in Montréal, Quebec, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

François Fontaine has a wealth of experience as a litigator in civil, corporate and commercial litigation and penal procedure, including white collar crime and regulatory investigations, before all Quebec courts and the Supreme Court of Canada. Mr. Fontaine devotes a significant portion of his practice to representing clients before the courts and tribunals in administrative litigation (including injunctions and judicial review). Mr. Fontaine has a great deal of experience in fraud and...

Julie Lanteigne is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Leasing Law and Real Estate Law. Julie, 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 Julie is held by other top lawyers in the same geographic and legal practice area.

Stéphanie Lavallée is a litigator who practises in the area of major complex litigation involving commercial disputes, class actions, product liability and civil liability. As part of her practice, she regularly appears before the courts at all levels. Stéphanie has gained valuable experience in large-scale litigation cases that require considerable evidence management. She acts primarily in complex cases and in class-action defence. She provides practical, innovative adv...

Ali El Haskouri is a member of the Business Law group and focuses his practice on financing, mergers and acquisitions and general corporate and commercial law matters. In particular, Mr. El Haskouri has acquired a unique expertise in investment, venture capital and equity financing in Quebec. He represents many institutional investors during financing operations and regularly assists his clients in corporate purchase and sale transactions and in debt and equity financing (private equity and v...

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Vanessa Coiteux is a partner in the Corporate and Privacy & Data Protection Groups. Her practice focuses on securities, public and private mergers & acquisitions and corporate financing. She frequently advises issuers and underwriters in connection with public and private offerings in Canada and abroad, as well as TSX-listed securities issuers on regulatory compliance, corporate governance and continuous disclosure requirements matters. Vanessa specializes in cybersecurity and advises...

Derek Chiasson is a partner in our tax team. His principal focus is on domestic and international tax aspects of mergers and acquisitions, corporate finance and corporate reorganizations, for public and private corporations. He also regularly advises on tax disputes, commodity taxes and executive compensation. Derek leverages his broad experience to bridge tax, finance and legal aspects of the transactions and reorganizations he works on, while maintaining strong technical skills, attention t...

Jean-Martin Lambert has been advising clients for 30 years in the area of commercial leasing and real estate matters, with a principal focus on the retail and office sectors. He advises commercial landlords, developers and tenants in all real estate matters, including the preparation and negotiation real estate related contracts, tenders, purchase and sales agreements, leases, other documents that may be required in such matters. Jean-Martin is recognized as a leading practitioner in the fiel...

Luc Béliveau practises in the areas of restructuring and banking law. Luc was a member of the firm's Partnership Board from 2013 to 2020 and Chairman of the Board from 2015 to 2020. Luc regularly represents debtors, borrowers, lenders, investors, creditors, receivers, monitors and trustees. He defends the interests of clients in restructurings, liquidations, recapitalizations, realizations of security interests, and asset recoveries. Luc sits on the boards of several private corporatio...