Adverse Inference

2 articles View all topics →

Case comment on Gumbley v Vasiliou, 2024 ONSC 4858, affirmed at 2025 ONCA 851. By Paul Cahill, LSO Certified Specialist in Civil Litigation.

Gumbley v Vasiliou: Severe Asthma, Delayed Intubation, and a Counterfactual That Worked

An Ontario internist found negligent for delayed intubation and failure to call an intensivist when a young mother’s severe asthma attack turned catastrophic.

January 12, 2026

Case comment on Hanson-Tasker v Ewart, 2023 BCCA 463, on the limits of the Snell adverse inference of causation in a kernicterus case. By Paul Cahill, LSO Certified Specialist in Civil Litigation.

Hanson-Tasker v Ewart: The Limits of the Snell Adverse Inference

A pre-term newborn with kernicterus lost her causation case despite a finding that her family physicians had breached the standard of care. The Snell adverse inference did not save the claim.

December 19, 2023

Have a Case Like This?

Concerned about medical negligence?
Talk to Paul directly.

Free, confidential consultations. Paul reviews every potential case personally and tells you honestly whether it merits investigation.

Book a Consultation (416) 643-3845

Adverse Inference

Gumbley v Vasiliou: Severe Asthma, Delayed Intubation, and a Counterfactual That Worked

Hanson-Tasker v Ewart: The Limits of the Snell Adverse Inference

Browse related areas

Concerned about medical negligence? Talk to Paul directly.

Concerned about medical negligence?
Talk to Paul directly.