Registry of class actions

Overview of the application 500-06-001422-258

Printing of the overview of the application for a class action

Application stage:

Authorization - Application to the Superior Court for authorization to institute a class action

Courthouse:

Montréal

Date of filing of the application for authorization to institute a class action:

2025-10-06

File no.:

500-06-001422-258

Subject:

Confidentialité des renseignements

This case concerns:

Data Breach

Name of parties:

M.O. vs. ORGANISME CANADIEN DE RÉGLEMENTATION DES INVESTISSEMENTS / CANADIAN INVESTMENT REGULATORY ORGANIZATION

Description of the class instituting the class action:

All persons in Canada whose personal or financial information was held by Defendant and was compromised in the Data Breach which occurred on or about August 11, 2025, or who received an email or letter from Defendant informing them of such Data Breach, or any other Group(s) or Sub-Group(s) to be determined by the Court;

Documents and proceedings:

Document Date of document
Application for authorization to institute a class action 2025-10-06
Reply 2025-11-10
Ordonnance de désignation 2026-01-16
APPLICATION TO AUTHORIZE FOR SETTLEMENT PURPOSES ONLY, FOR APPROVAL OF THE PRE-APPROVAL NOTICES TO CLASS MEMBERS, AND TO APPOINT THE ADMINISTRATOR 2026-09-11
Judgment to Authorize a Class Action for Settlement Purposes Only, to Approve Notices to Class Members, and to Appoint a Settlement Admistrator 2026-09-22
Jugement - autorisation à des fins de règlement 2026-09-22
Jugement rectifié du 22 septembre 2026 2026-10-01

Counsels for the applicant:

Name E-mail Phone Adresse Name of Law Firm Website
Assor, David [email protected] 514 451-5500 Extension: 101 4101 Sherbrooke Street West, Westmount, Quebec, Canada , H3Z 1A7 Lex Group Inc. www.lexgroup.ca

Counsels for the defence:

Name E-mail Phone Adresse Name of Law Firm
Jetté, Rosalie [email protected] 514 868-5639 1000, rue De la Gauchetière Ouest, Montréal, Quebec, Canada , H3B 4W5 Société d'avocats Torys s.e.n.c.r.l.
Hebert, Alexandra [email protected] 514 868-5644 1000, rue De la Gauchetière Ouest, Montréal, Quebec, Canada , H3B 4W5 Société d'avocats Torys s.e.n.c.r.l.
Rodrigue, Sylvie [email protected] 514 868-5601 1000, rue De la Gauchetière Ouest, Montréal, Quebec, Canada , H3B 4W5 Société d'avocats Torys s.e.n.c.r.l.
Merminod, Anne [email protected] 514 868-5642 1000, rue De la Gauchetière Ouest, Montréal, Quebec, Canada , H3B 4W5 Société d'avocats Torys s.e.n.c.r.l.

Application stage

1 - Authorization - Application to the Superior Court for authorization to institute a class action

Courthouse

Montréal

Date of filing of the application for authorization to institute a class action

2025-10-06

File no.

500-06-001422-258

Subject

Confidentialité des renseignements

This case concerns

Data Breach

Name of parties

M.O. vs. ORGANISME CANADIEN DE RÉGLEMENTATION DES INVESTISSEMENTS / CANADIAN INVESTMENT REGULATORY ORGANIZATION

All persons in Canada whose personal or financial information was held by Defendant and was compromised in the Data Breach which occurred on or about August 11, 2025, or who received an email or letter from Defendant informing them of such Data Breach, or any other Group(s) or Sub-Group(s) to be determined by the Court;
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