John Lenz

Jean-François Gagnon is the Chief Executive Officer of Langlois Lawyers. He is also a member of the firm’s Executive Committee and Board of Directors. His practice focuses on complex commercial litigation, corporate governance, strategy, crisis management, ethics and deontology. He has wide-ranging experience in matters involving directors’ and officers’ liability, the management of not-for-profit organizations, construction law and insurance law. Jean-François...

Noah Zucker practices primarily in the areas of commercial insolvency and banking law. He acts for creditors, debtors, court-appointed officers and other stakeholders in matters ranging from complex corporate reorganizations to personal bankruptcies. Noah also represents clients in other civil or commercial disputes and advises on deals, always striving to find practical, business-oriented solutions to difficult problems. Noah appears regularly before the Superior Court of Québec and h...

Oliver Moore is a commercial lawyer with extensive experience advising commercial and governmental actors in connection with the leasing, acquisition, financing, and development of real property assets. He has experience negotiating, implementing, and enforcing sophisticated arrangements regarding the use and development of land, including complex leasing, joint use and maintenance, and financing structures across a wide range of industry sectors. Oliver regularly advises on the real property...

Frédéric Paré is a partner and Head of the Montréal Litigation & Dispute Resolution Group and sits on the Management Committee. He routinely acts as lead counsel for many public and private companies in large and complex cases. Frédéric is a highly effective trial lawyer with a proven track record. His practice covers the full range of commercial law, including shareholder disputes, securities, transactional litigation, product liability, as well ...

Louis Clément works primarily in areas relating to the acquisition and sale of businesses, the establishment of consortiums, and the drafting and negotiation of various commercial agreements. Louis specializes in corporate and commercial law, as well as investment management and health law. Louis is also involved in matters relating to mergers and acquisitions, and his professional practice has enabled him to acquire an in-depth knowledge of various industries, including food processin...

Cassandre Louis is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law and Municipal Law. Cassandre, 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 Cassandre is held by other top lawyers in the same geographic and legal practice area.

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...

Frank Mathieu is a partner and Head of the Montréal office's Tax Group. His practice focuses on all areas of Canadian income tax law, including complex tax aspects of public and private mergers & acquisitions, strategic investments and joint ventures, and corporate reorganizations and restructurings in a domestic and cross-border context. With over 15 years of extensive expertise, Frank is often sought after by foreign clients and counsel, including private equity funds, for his kn...

Louis-Philippe Cartier is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Louis-Philippe, 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 Louis-Philippe is held by other top lawyers in the same geographic and legal practice area.

Guy Gilain has a specialized practice in construction law with considerable experience in litigation and contractual issues. His clients include public and private companies, general and specialized contractors, and equipment suppliers. He also represents national and multinational companies as well as various construction industry associations. Guy has earned a solid reputation as a seasoned litigator with respect to lengthy litigious construction matters. Guy provides advice on the full sco...