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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
Blog January 27, 2026

Ontario court grants anti-suit injunction to enjoin foreign arbitration in ongoing crypto litigation

The court granted an anti-suit injunction preventing Binance from pursuing arbitration in Hong Kong related to an Ontario class action.

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Ontario court grants anti-suit injunction to enjoin foreign arbitration in ongoing crypto litigation
Osler Update December 1, 2025

From pit wall to policy: what Lundin means for public company disclosure

The SCC’s recent decision provides guidance on the distinction between material facts and material changes under Ontario securities law.

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From pit wall to policy: what Lundin means for public company disclosure
Osler Update August 8, 2025

Federal government ordered to pay investors hundreds of millions for failing to live up to wireless spectrum licence auction promises

An Ontario decision has held the federal government liable for hundreds of millions of dollars in damages to investors in wireless spectrum licences.

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Federal government ordered to pay investors hundreds of millions for failing to live up to wireless spectrum licence auction promises
Blog July 23, 2025

Expanded enforcement powers: is CIRO now exercising ‘statutory’ powers?

Recent statutory amendments have expanded the Canadian Investment Regulatory Organization’s (CIRO) enforcement toolkit.

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Expanded enforcement powers: is CIRO now exercising ‘statutory’ powers?
Blog March 31, 2025

Court of Appeal takes a purposive approach in affirming certification of a securities class action against a crypto asset trading platform

A recent decision provides insight into the approach Ontario courts are taking to securities class actions involving cryptocurrencies.

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Court of Appeal takes a purposive approach in affirming certification of a securities class action against a crypto asset trading platform
Blog February 6, 2025

Alberta lawyer faces sanctions for failing to identify a ‘pump and dump’ scheme

A recent decision highlights the importance of lawyers taking sufficient steps to identify “red flags” raised by their clients’ conduct.

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Alberta lawyer faces sanctions for failing to identify a ‘pump and dump’ scheme
Osler Update February 4, 2025

Recent decisions confirm reasonableness of hospital mandatory COVID-19 vaccination policies

Recent decisions confirm the reasonableness of hospitals’ mandatory COVID-19 vaccination policies during the pandemic.

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Recent decisions confirm reasonableness of hospital mandatory COVID-19 vaccination policies
Blog December 18, 2024

Evolving legal and political landscape creates uncertainty about securities regulation of crypto-related activity

We recap some recent cases from both sides of the border, with an eye to where enforcement activity may go from here.

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Evolving legal and political landscape creates uncertainty about securities regulation of crypto-related activity