Ontario Medical Malpractice Insights | Paul Cahill

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Plain-language insight on medical malpractice law in Ontario. Practical guidance, case analysis, and updates from a trial-focused practice. No legal jargon. No marketing fluff. Just what you need to know.

Articles on this site are for general information only and do not constitute legal advice. Reading articles does not create a lawyer-client relationship.

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Navy title card reading "Brown v Meaney: The limits of clinical judgment, affirmed on appeal" from paulcahill.ca, a Paul Cahill case comment.

Brown v Meaney: Clinical Judgment, Informed Consent, and Commonsense Causation on Appeal

The Court of Appeal dismisses the appeal in Brown v Meaney, upholding findings that two pediatric neurologists breached the standard of care and the duty to obtain informed consent when they abandoned a pyridoxine trial in an infant with a rare epilepsy. The decision affirms that a defensible first impression does not excuse the failure to revisit it, and that causation need not be proven with scientific precision.

Navy title card reading "Remediation, Not Revocation: A contested second chance after a patient's death," crediting the Hamilton Spectator, from paulcahill.ca.

A Suspended Pain Doctor’s Possible Return: Commentary in the Hamilton Spectator

Hamilton Spectator coverage of Dr. Stefan Konasiewicz, whose six-month suspension could end in August. Paul Cahill comments on why a patient death led the discipline tribunal to remediation rather than revocation, and where a College proceeding ends and a civil claim begins.

Case comment on J.C. v Jugenburg, 2026 ONSC 3061, on clinic surveillance, intrusion upon seclusion, and aggregate privacy damages in a patient class action. By Paul Cahill, LSO Certified Specialist in Civil Litigation.

J.C. v Jugenburg: Undisclosed Patient Surveillance and the Tort of Intrusion upon Seclusion

A cosmetic surgery clinic recorded patients in consultation rooms and the operating room without telling them. In J.C. v Jugenburg, 2026 ONSC 3061, the court awarded $21.5 million in aggregate damages and $1 million in punitive damages, and clarified how intrusion upon seclusion applies inside the doctor-patient relationship.

The Business of Personal Injury Symposium: Legal Innovation Forum, Toronto, May 2026

Paul Cahill on the Financial Foundations panel at the Legal Innovation Forum’s Business of Personal Injury Symposium, Toronto, May 27, 2026.

Navy title card reading "Ewashko v Hugo, Case Comment" with the line "A delayed urgent C-section and a preventable birth injury," from paulcahill.ca

Ewashko v Hugo: A Delayed C-Section and a Preventable Birth Injury

An Alberta court found that an urgent C-section taking 101 minutes fell below the standard of care, that two physicians’ combined 50 minutes of unnecessary delay was not a defensible judgment call, and that the delay caused a child’s cerebral palsy. A look at the timeliness standard, the causation reasoning, and why this Alberta decision is persuasive, not binding, in Ontario.

Liability Considerations in Surgical “Never Events” or Recognized Complication Cases

How surgical negligence claims succeed or fail. A 2026 OTLA Spring Conference paper on never events and recognized complication cases.

Health Care Complaints in Ontario — a patient's guide by Paul Cahill, LSO Certified Specialist in Civil Litigation.

A Patient’s Guide to Making Complaints About Health Care in Ontario

A practical guide to filing complaints about medical care in Ontario, from hospital patient relations and the Patient Ombudsman to the regulatory colleges and the Office of the Chief Coroner.

Suing for Medical Malpractice in Ontario: What You Need to Know

Yes, you can sue for medical malpractice in Ontario. The harder question is whether you should. After two decades of these cases, the candid advice for many prospective clients is to think very carefully before going forward, and in some cases, not to go forward at all.

Informed. Equipped. Empowered.

Informed.
Equipped.
Empowered.