Guillaume Leahy

Lawyer - Montréal

Québec Bar 2013


T +1 514 842 7829

Guillaume Leahy practices civil and commercial litigation in the Montréal office of Langlois lawyers.

He acts primarily in complex litigation files involving product liability, constitutional law and contractual, civil or professional liability issues.

Guillaume advises businesses and organizations active in various industries including mining and metals, information technology, port operations, as well as construction and defends their interests before civil courts and administrative or arbitral tribunals. He frequently represents foreign clients, particularly in matters involving private international law.

In addition, he has acquired extensive expertise in supervising the work of expert witnesses and managing electronic evidence in litigation matters involving major commercial, strategic and economic issues.

Before joining Langlois lawyers, Guillaume practiced civil and commercial litigation at a national law firm.