John Mather - DMG Advocates

Competition Tribunal Clarifies “Public Interest” Private Access Framework: Key Implications from Martin v Alphabet and the Apple App Store Challenge

by John Mather | 9 Mar 2026 | Legal Bulletins

By John Mather, Lauren Baker and Ashveer Sohi Overview The Competition Tribunal has released its first decision interpreting the expanded public interest litigant regime under the Competition Act. In doing so, the Tribunal laid out a clear framework for...

Lost Water is Not Property Damage and the Continued Narrowing of Products Claims for Pure Economic Loss

by John Mather | 10 Sep 2025 | Legal Bulletins

by John Mather, Michael Robson, and Katy Tritt In its recent decision in Ottawa Community Housing Corporation v. Sloan Valve Company, 2025 ONCA 586, the Ontario Court of Appeal continued to confirm that there are limited avenues to claim against a manufacturer for the...

Nine Elements of an Effective Internal Investigation

by John Mather | 12 May 2024 | Investigations and Inquiries

Allegations of criminal, regulatory or other misconduct place immediate and intense pressure on a business. Decisions need to be made – and often fast. Good decisions, however, are fueled by good information, which can take time to gather and analyze. Establishing a...

Claim First, Provide Details Later

by John Mather | 21 Nov 2023 | Product Liability

Negligent design and manufacture claims often start at the end. A plaintiff is hurt while using a product and concludes that their injury is the result of a defect in that product. The law, however, is not that simple. At some point, the plaintiff must prove what,...

Responding to Coroner’s Inquests and Investigations in Ontario

by John Mather | 6 Jun 2023 | Investigations and Inquiries

What is a coroner’s inquest? A coroner’s inquest is a hearing conducted by a coroner to determine the circumstances of a death. Coroner’s inquests are held before a five-person jury and open to the public, except in rare circumstances. Since the COVID-19 pandemic,...

Archive: John Mather

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Competition Tribunal Clarifies “Public Interest” Private Access Framework: Key Implications from Martin v Alphabet and the Apple App Store Challenge

Lost Water is Not Property Damage and the Continued Narrowing of Products Claims for Pure Economic Loss

Nine Elements of an Effective Internal Investigation

Claim First, Provide Details Later

Responding to Coroner’s Inquests and Investigations in Ontario

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