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Blog June 29, 2026

To stay or not to stay: the arrival of parallel Canadian securities class actions

An Ontario court recently refused to stay a proposed global securities class action commenced in Ontario despite a substantially similar proceeding...

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To stay or not to stay: the arrival of parallel Canadian securities class actions
Osler Update May 29, 2026

Ontario Court of Appeal overrules Handley Estate, restores discretion to remedies for non-disclosure of partial settlement agreements

A new framework for disclosure of partial settlements has been adopted which affords courts greater discretion to fashion an appropriate remedy.

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Ontario Court of Appeal overrules Handley Estate, restores discretion to remedies for non-disclosure of partial settlement agreements
Osler Update May 11, 2026

Forever chemicals, forever liability? The rise of PFAS class actions in Canada

Canadian courts are now grappling with claims over alleged contamination from PFAS, or “forever chemicals.”

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Forever chemicals, forever liability? The rise of PFAS class actions in Canada
Blog March 31, 2026

A strike of genius: strategic applications in class actions

The B.C. Court of Appeal’s decision in Hvitved v. Home Depot reaffirms that applications to strike remain a key tool in class action defence.

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A strike of genius: strategic applications in class actions
Osler Update March 24, 2026

A client may terminate a service agreement to further its own commercial interests, Superior Court of Québec rules

The decision reaffirms the discretionary nature of a client’s right to terminate a service contract.

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A client may terminate a service agreement to further its own commercial interests, Superior Court of Québec rules
Osler Update December 8, 2025

Québec’s Bill 10: new rules for subscriptions and ticket resale practices – what businesses need to know

The proposals would create a new legal framework for businesses in these sectors, amplifying risk in class action matters and regulatory scrutiny.

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Québec’s Bill 10: new rules for subscriptions and ticket resale practices – what businesses need to know
Report December 4, 2025

Restructuring the Canadian tobacco industry: a model for the future?

The restructuring of the Canadian tobacco industry represented a unique path to the resolution of multiple claims in relation to tobacco-related...

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Restructuring the Canadian tobacco industry: a model for the future?
Blog October 30, 2025

Ontario court reaffirms that compensable loss is a ‘fundamental prerequisite’ to certification of a class action

The Court denied certification to a proposed class action, finding that such a proceeding was not the preferable procedure.

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Ontario court reaffirms that compensable loss is a ‘fundamental prerequisite’ to certification of a class action
Osler Update June 24, 2025

Private right of access for relief from anti-competitive harm now in force in Canada

The new right of access represents the broadest expansion of private enforcement of Canada’s competition laws in a generation.

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Private right of access for relief from anti-competitive harm now in force in Canada
Osler Update June 10, 2025

Ontario’s civil rules revolution? Breaking down the key proposed reforms

A controversial overhaul of Ontario’s Rules of Civil Procedure has been recently proposed.

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Ontario’s civil rules revolution? Breaking down the key proposed reforms