Mathieu Quenneville

Luc Pariseau is a partner and member of the Business law group, specializing in tax law. In his practice, Mr. Pariseau has often been called upon to advise emerging companies, major corporations, family businesses, and non-profit organizations on Canadian and international tax matters. Mr. Pariseau was also a lecturer for several years. Between 1990 and 1994, he gave courses on tax law related to real estate transactions at Université du Québec à Montréal, and, in ...

Zeïneb Mellouli advises and represents public and private companies in all aspects related to labour and employment law, privacy, and the application of the Canadian Charter of Rights and Freedoms and the Quebec Charter of Human Rights and Freedoms. She is regularly called upon to appear before administrative tribunals and civil courts, including the Superior Court, the Court of Québec, and the Commission des relations du travail. During her studies, she was named second best spea...

Isabelle Duval is a member of the Family, Personal and Estate Law group. She handles every aspect of family law, from divorce, separation, relocation and custody to child and spousal support. Isabelle holds a Juris Doctor in Common Law and a Master in Business Law from the Université de Montréal and has successfully argued many major cases, including longstanding cases, before the Superior Court and the Court of Appeal of Québec. She has developed expertise in divorces in...

François Beauchamp’s hard work and determination have secured him a place at the top of his profession and established him as a leading authority on construction law. François Beauchamp is a renowned litigator who has been representing Québec’s biggest building and bond companies for decades. He wields his wealth of expertise in bonds, construction claims and civil liability to defend his clients’ interests before all courts, whether judicial or arbitral...

Carl Bélanger is a partner and market leader in the Business Law and Corporate Law group at the Montreal office. He has extensive experience in Canadian and cross-border transactions, primarily in mergers and acquisitions, private equity and venture capital. For over 25 years, Carl has assisted investment funds, international industrial groups, as well as family businesses and entrepreneurs in their development, both in Canada and abroad. His experience covers various industry sectors,...

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...

Antonella Penta is a partner within the Corporate/Commercial law group. Antonella is effective in leading negotiations and realizing private company mergers and acquisitions, venture capital and private equity transactions. Antonella regularly manages cross-border and international transactions, corporate reorganizations and private placement financings. She has assisted companies in various industries from initial stages of incorporation to divestiture, including structuring, drafting of sha...

Hugh Mansfield is a partner, lawyer, patent agent and trade-mark agent in Lavery’s intellectual property group. He practices in the intellectual property field since 2000. He is a lawyer and a registered patent agent in both Canada and the United States. Before practicing in intellectual property, he worked for over six years in Germany within a major consulting engineering firm, developing both air-ground data links and software simulating data communications in the aviation field. Hug...

Peter Castiel is Chair of the Firm and the Executive Committee, where he oversees the strategic direction, management and client service for the Firm. Peter is also focused on his mergers & acquisitions practice. He has extensive expertise in advising private equity funds, sovereign wealth funds and leading public and private companies in connection with complex acquisitions, divestitures and investments.

Matthew Sherrard is a top attorney recognized by Best Lawyers in the practice area(s) of Aboriginal Law / Indigenous Practice. Matthew, 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 Matthew is held by other top lawyers in the same geographic and legal practice area.