Joëlle Girard

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.

Julie Larouche is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising and Marketing Law, Entertainment Law and Intellectual Property Law. Julie, who practices law in Montréal, Quebec, has been recognized since 2021. 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.

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...

Julien's practice covers a variety of areas of civil and commercial litigation, ranging from contractual disputes to real estate law. Over the years, he has developed a particular expertise in environmental law litigation, specifically in contamination cases. Julien also practices disciplinary law, representing professionals before their disciplinary bodies, particularly pharmacists. Since joining IMK in 2009, he has accumulated extensive experience in court, both at first instance and on app...

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 ...

Jonathan Auerbach is a partner, patent agent and trademark agent in the Intellectual Property Group. He has a broad range of experience in all aspects of intellectual property, with a particular emphasis on patent, trademark and copyright litigation, prosecution, licensing, counseling and transactions. He is regarded as an IP strategist amongst clients and peers. Jonathan also has extensive experience in the acquisition, clearance, prosecution, enforcement and licensing of trademarks, includi...

Mariella Lo Papa is Co-Leader of the Québec Real Estate Law practice group and Co-Leader of the firm’s Real Estate Law practice group. She has over 25 years of experience focused on commercial leasing of all asset classes, acquisitions and dispositions of commercial real estate, and development projects. Mariella has extensive transactional experience across a variety of industries and asset classes, on behalf of real estate developers, private institutional investors, both local...

Guillaume Boudreau-Simard is a partner in the Litigation & Dispute Resolution Group. Over the years, Guillaume has developed a specific expertise in class actions primarily defending manufacturers and banking institutions. His practice focuses on all aspects of litigation, including advising, drafting procedures and representing clients before the courts. Guillaume also possesses a vast experience in other various types of litigation, including matters related to commercial or contractual...

Charles Gaulin is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. Charles, who practices law in Sherbrooke, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles is held by other top lawyers in the same geographic and legal practice area.

Warren Katz is a Partner in the Corporate Group. He previously served as Managing Partner of the Montréal office and as a member of the firm’s Executive Committee and Partnership Board. Warren specializes in Canadian and cross-border mergers and acquisitions, private equity and corporate finance transactions, including representing broad and varied public and private companies across many industries. He offers over 25 years of extensive experience, including strong cross-border c...