Keith Hanna

Jean-Pierre Casavant Ad. E. is a top attorney recognized by Best Lawyers in the practice area(s) of Director and Officer Liability Practice, Insurance Law, Legal Malpractice Law, Personal Injury Litigation and Product Liability Law. Jean-Pierre, who practices law in Montréal, Quebec, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jean-Pierre is held by other top lawyers in the same geographic and legal practic...

Doug founded IMK in 1997 with the late Colin K. Irving. In the course of his career, he has acted as lead counsel in many complex cases, participated in trials covered by the media, advised clients on delicate issues and played key roles in crisis management to avoid or settle disputes. His career and his way of intervening in cases have earned him the respect of all the courts before which he has pleaded. He has acted for the Chief Justice of Quebec and the Canadian Judicial Council and has ...

Joëlle Boisvert is the Managing Partner of the firm's Montréal office and a member of the firm’s national executive team. As an experienced commercial litigator, Joëlle counsels large national and international companies with regards to a variety of complex dispute matters. During her 25-year career, she has developed extensive experience in class actions and litigation pertaining to commercial and real estate law, including in the areas of franchising, as well as manuf...

Dynamic, inquisitive and a peerless organizer, Janie-Pier is the first to volunteer for social activities and opportunities to network. She is readily available to help and advise others and is driven by teamwork. Her legendary calmness allows her to keep the reins on contentious cases. Janie-Pier became a lawyer at the firm in 2011 after completing her bar internship at another Montréal-based firm. Prior to completing her law degree, she had already earned herself a bachelor’s d...

Seasoned litigator Marc Beauchemin is a key player on Montréal’s municipal and legal scene. As Chair of De Grandpré Chait's Board of Directors and Executive Committee, Marc Beauchemin plays a central role within the firm. His legal practice has two foci. In his first area of practice, municipal law, he represents the private interests of his clients, particularly major property owners, in the context of real estate developments throughout Québec. He and his speciali...

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...

Serge Amar is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Serge, 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 Serge is held by other top lawyers in the same geographic and legal practice area.

Lawrence Witt is an experienced labour, employment and human rights law practitioner. He regularly acts on behalf of clients in labour and employment litigation matters before administrative tribunals, arbitration tribunals as well as first instance and appellate level courts. Lawrence has developed considerable expertise in electronic discovery and data preservation, the drafting and pleading of injunction applications seeking the enforcement of restrictive covenants, return of information a...

Adam Barza is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Adam, 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 Adam is held by other top lawyers in the same geographic and legal practice area.

Katherine Loranger is a member of the litigation group in the Montréal office of Langlois Lawyers. She has wide-ranging expertise in civil and commercial litigation, particularly in the areas of insurance law, construction litigation, professional liability and product liability. Katherine also has significant experience in matters involving fraud, representing clients before all levels of the courts and advising them on the detection, investigation, prevention and recovery of proceeds...