When Will a Court Compel a Mental Health or Capacity Assessment? Understanding Section 105 CJA and Section 79 SDA in Ontario

Ontario courts take issues of mental capacity seriously, particularly when it affects a person’s ability to manage property, make personal care decisions, or instruct legal counsel. Two distinct—but occasionally overlapping—legal tools are available to the court in these situations: A mental health examination under section 105 of the Courts of Justice Act, often used to […]

MacKinnon v. MacKinnon

Case Analysis: MacKinnon v. MacKinnon, 2025 ONSC 2426 (CanLII) Overview MacKinnon v. MacKinnon (2025 ONSC 2426) is an Ontario Superior Court of Justice decision addressing two applications concerning the estates of Robert Wilson MacKinnon and Maxine Roxella MacKinnon. The court heard the applications together under Rule 6.01(1) of the Rules of Civil Procedure. The applications […]

AI Hallucinations in Estates Court – The Cautionary Tale of Ko v. Li

Ko v. Li, 2025 ONSC 2766   In Ko v. Li, Justice FL Myers addressed a case involving the applicant’s legal counsel submitting a factum that contained fictitious and mis-cited cases. The court suspected these errors were the result of AI-generated content, specifically citing potential “hallucinations” where AI produces fabricated or inaccurate information. The factum’s […]

Unraveling Fiduciary Duty: The Barker v. Barker Case and Its Lessons for Estate Management

Overview In Barker v. Barker, Bob Alan Barker accused his sister, Catherine Elizabeth Barker, of mismanaging their late brother John Joseph Barker’s estate. Bob sought to remove Catherine as Estate Trustee and bar her from inheriting, alleging she breached her fiduciary duty by misappropriating John’s funds. The case centered on Bob’s motion for financial document […]

Can a Plaintiff Remove a Litigation Guardian After Regaining Capacity?

Ontario Court Upholds PGT as Litigation Guardian in Duffy v. McDaniel, Reinforcing Strict Evidentiary Standards for Capacity In *Duffy v. McDaniel, 2025 ONSC 2899 (CanLII)*, the Ontario Superior Court of Justice addressed a motion to remove the Public Guardian and Trustee (PGT) as the litigation guardian for Stephen Duffy, a plaintiff who suffered a traumatic […]

Scott v. Wilson, 2025 ONSC 2981: Court Orders Capacity Assessment Over Objections Amid Power Struggles in Guardianship Dispute

Scott v. Wilson, 2025 ONSC 2981: Court Orders Capacity Assessment Over Objections Amid Power Struggles Guardianship Dispute Justice C. Gilmore of the Ontario Superior Court (Estates List) ordered a capacity assessment under section 79 of the Substitute Decisions Act, 1992 despite opposition from the allegedly incapable adult and her common-law spouse. The case illustrates how […]