Overview

Julien is a partner of the Montréal office and is cross-appointed to the national Disputes and Insolvency and Restructuring departments.
His practice is centred on the insolvency and litigation fields, insolvency litigation, Québec law, privacy and access to information litigation, insurance advisory and litigation, as well as regulatory and public law.
Having developed expertise over the years, Julien is also a key resource for various specific litigation and advisory needs such as notably pharmacy and prescription drug market regulation, credit information reporting, administrative and constitutional law.
Valued business advisor by clients, by professionals in the insolvency and restructuring space and by decision-makers in accounting firms and lending institutions, Julien is actively involved with the Turnaround Management Association (TMA) as a director and vice-president, legal affairs of the local chapter. Julien has been involved in many high-profile commercial insolvency and restructuring matters for the past fifteen years, notably in the retail, mining, technology, health, and real estate sectors.
With over fifteen years of experience in investigations by and hearings before the Québec Access to Information Commission, both with respect to private and public sector legislation, Julien is at the forefront of new developments stemming from ongoing privacy and access to information legislative reform (Law 25).
Julien is recognized as a detail-oriented and thorough jurist. He pleads regularly before many levels of court as well as administrative tribunals. Julien was awarded the Elizabeth Torrance Gold Medal of McGill University’s Faculty of Law. He also worked as a law clerk to the Honourable Marie Deschamps and the Honourable Thomas Albert Cromwell, Justices of the Supreme Court of Canada
The amendment follows a decision issued last year by the Superior Court of Québec on a challenge in which Osler represented the plaintiff pro bono.
Explore notable case summaries and expert commentary, for insight into current trends in Canadian privacy law.
Class actions across Canada are being fuelled by events such as cyberattacks and alleged failures to protect sensitive data.
Provincial privacy legislation can apply to foreign corporations that acquire personal information of individuals in the province.
Osler is proud to announce that 23 of our lawyers are recognized in the Lexpert Special Edition: Restructuring and Insolvency 2025. This prestigious...
Julien Morissette spoke to Le Journal de Montreal about the constitutional challenge of section 282 of the Quebec Election Act.
Osler is proud to announce the addition of 11 new partners and one new counsel across three of our offices, effective March 1.
Annual Review of Insolvency Law (ARIL)
Speaker, “Peoples Department Stores Inc. (Trustee of) v. Wise: 20 years later, where do we stand?”, Montréal, 2025

Practice Areas

• Class Action Plaintiff

Bar Information

Called to the bar: 2009 (ON); 2009 (QC)