People

Services

Industries

Firm

About

Knowledge

Careers

News

Events

Contact

Connect

Privacy Policy

Disclaimer

Terms of Use

Accessibility

Payments

Legal

Calgary

Toronto

Edmonton

Ottawa

Vancouver

New York

Montréal

Robert W. Staley

Securities & Commercial Litigation Lawyer | Shareholder Disputes

Vice Chair and Partner

Doug Fenton

Litigation Lawyer at Bennett Jones Toronto

Partner

Sophia DiNicolo

Lawyer at Bennett Jones Toronto

Associate 

The Ontario Superior Court in <em>Dziedziejko v Canopy Growth</em> held that materiality may be inferred from a significant share price drop following corrective disclosure, granting leave to pursue secondary market misrepresentation claims. The decision signals a potential shift from contextual materiality analysis and raises challenges for issuers with volatile share prices.<br />
<div>&nbsp;</div>

Inferring Materiality from Share Price Movement Dziedziejko v Canopy Growth

Inferring Materiality from Share Price Movement: Dziedziejko v Canopy Growth

Kristopher R. Hanc

M&A and Capital Markets Lawyer at Bennett Jones Toronto

John Lawless

Private Equity, M&A, Corporate and Securities Lawyer at Bennett Jones Calgary

James D. Beeby

Corporate Finance, M&A, Private Equity and Venture Capital Lawyer

<p>The Supreme Court of Canada has released its much-anticipated decision in Lundin Mining Corp. v. Markowich, 2025 SCC 39, clarifying the definition of a "material change" under securities law and providing guidance on when a public company must disclose information to the market. The decision will have broad implications for public companies, their directors, officers, shareholders and other market participants.</p>

Supreme Court of Canada Clarifies Scope of Securities Disclosure Obligations for Material Changes

Shifting Grounds: Supreme Court of Canada Clarifies Scope of Securities Disclosure Obligations for "Material Changes"

Amanda C. McLachlan

Corporate & Regulatory Lawyer | Disputes, Investigations & Compliance

The Ontario Court of Appeal&rsquo;s decision in <em>Binance v. OSC</em> clarifies the limits of the OSC&rsquo;s investigative powers and the Charter protections available in securities investigations. While the Court rejected a constitutional right to challenge a summons before compliance, it found the summons issued to Binance overbroad and unconstitutional. The ruling offers important guidance for market participants on regulatory scrutiny, the scope of document production, and the viability of judicial review.

Court of Appeal Addresses Scope of Charter Review in Securities Investigations

Binance v. OSC: Court of Appeal Addresses Scope of Charter Review in Securities Investigations 

David Cassin

Employment Lawyer at Bennett Jones Toronto

In McPherson v Global Growth Assets Inc., the Ontario Superior Court interpreted the no-reprisal provisions of the Securities Act for the first time, awarding more than $5.3 million to a CEO who was terminated after raising compliance concerns. The decision underscores the strength of the Act&rsquo;s protections for employees who engage in protected activities and highlights the significant risk to employers of taking disciplinary action without clear, documented justification.

Ontario Securities Act No Reprisal Provisions Results in 53 Million Award to CEO

Ontario Securities Act No-Reprisal Provisions Results in C$5.3 Million Award to CEO: A Warning to Regulated Employers

Simon P. Crawford

Leading Commercial Real Estate Lawyer at Bennett Jones Toronto

Dana Talucci

Corporate Commercial Practice at Bennett Jones Toronto

Associate

Hennadiy Kutsenko

Tax Lawyer at Bennett Jones Toronto

A court decision on the sale of mixed-use property highlights the risks of failing to allocate purchase price between residential and commercial portions for HST purposes. The ruling underscores the importance of precise drafting and obtaining representations to avoid uncertainty and tax disputes.

Mixed-Use Mixed Signals Why Purchase Price Allocations Matter

Mixed-Use, Mixed Signals: Why Purchase Price Allocations Matter

Leanne C. Krawchuk KC

Corporate, Mining & Construction Lawyer | Capital Markets

Partner, Corporate

James T. McClary

Private Equity and M&A Lawyer at Bennett Jones Calgary

Private equity investment in mining has grown over the past decade, driven largely by opportunities in mining sub-industries such as materials, software and industrial machinery despite persistent risk and scalability concerns. The article analyzes global and Canadian deal trends, structures and strategies, offering insights on where PE capital is being deployed and the outlook for investors and mining companies.

Private Equity Investment in Mining

Jonathan Hillson

Commercial Litigation Lawyer at Bennett Jones Edmonton

Alex Payne

Commercial Litigation Lawyer at Bennett Jones Toronto

<p>Prompt payment and dispute resolution reforms are changing how construction project participants are to be paid, their disputes determined and when liens are to be filed and holdbacks released.</p>

Updates to Prompt Payment Legislation

An At-a-Glance Comparison: Have You Been Keeping Up with All the Changes?

Updates to Prompt Payment Legislation in Ontario, British Columbia and Alberta

Natalia E. Iamundo

Commercial Real Estate Lawyer at Bennett Jones Toronto

Canada&rsquo;s proptech sector is entering a new phase marked by disciplined growth, scaled AI implementation and deeper public-private collaboration. The 2026 Proptech in Canada report highlights a funding reset, a shift from AI experimentation to real-world deployment and significant government investment aimed at addressing housing affordability.

Bennett Jones Leads Benchmark Top 50 Trial Lawyers in Canada Rankings

From the Same Authors

Inferring Materiality from Share Price Movement: Dziedziejko v Canopy Growth

Shifting Grounds: Supreme Court of Canada Clarifies Scope of Securities Disclosure Obligations for "Material Changes"

Binance v. OSC: Court of Appeal Addresses Scope of Charter Review in Securities Investigations

Latest Insights

Mixed-Use, Mixed Signals: Why Purchase Price Allocations Matter

Private Equity Investment in Mining

Inferring Materiality from Share Price Movement: Dziedziejko v Canopy Growth

Updates to Prompt Payment Legislation in Ontario, British Columbia and Alberta

Stay Informed. Stay Ahead.