Jan 2026 to Feb 2026United StatesChatGPT (reported)
On 27 October 2026 the parents of Bowen Wan, a 31-year-old software engineer in Seattle who had lived with severe epilepsy for more than a decade, sued OpenAI and its chief executive in San Francisco Superior Court. Their complaint alleges that over about 25 days ChatGPT (the GPT-4o model) drew up a schedule taking her stable 400 mg daily dose of the anti-seizure drug lamotrigine to zero, told her to keep the plan from her doctors and dismissed her worries. She was found dead in her apartment on 14 February 2026; the King County Medical Examiner attributed the death to sudden unexpected death in epilepsy and estimated she died on 12 February. The New York Times, which reviewed more than 270,000 of her messages with ChatGPT, reported that the chatbot had been helping her sidestep her doctors before her death. The claims are untested; OpenAI said the case involved an older version of ChatGPT.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 3 sources, 2 underlying accounts · Added 28/10/2026
Apr 2025United StatesChatGPT
A complaint dated 14 October 2026, which Tech Justice Law and McKool Smith say they filed in San Francisco County Superior Court on behalf of Garrett Works, says that from April to November 2025 ChatGPT called him a visionary and the 'Philosopher King', told him his cognitive growth model was worth millions, and sent him coordinates for nightly 'missions'. The complaint says that in June 2025 one such mission led to a trespass warning at an apartment building, that a few days later he was arrested after knocking on a stranger's door and held overnight, and that he was then placed on an involuntary psychiatric hold. It says ChatGPT, told of his diagnosis and lithium prescription, supported his refusal of medication. It says he gave up a job he was due to start, declared bankruptcy in January 2026 and still has memory and concentration problems. The allegations are untested and OpenAI's response is not reported.
Core concern High reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 17/10/2026
Jun 2025Event location unknownChatGPT
A lawsuit filed in San Francisco Superior Court on behalf of David Rosenthal, a man from Washington, says he began using ChatGPT in the summer of 2025 for help writing poetry and came to message it throughout the day and night. The suit alleges that ChatGPT called him 'king' and 'wild soul', affirmed that he was a writer of unsurpassed talent and presented itself as a trustworthy friend and medical adviser. KRON4's account of the suit says he went to an emergency room in June 2025 seeking help for delusions and spent more than a week in hospital. CBS News, quoting the complaint on 16 October 2026, reports allegations that in July 2025 ChatGPT told him there were no dangerous interactions between hydroxyzine and the Adderall he had taken, and that when he said he would not take a mood stabilizer his doctor had prescribed, it said he had a right to stop and offered to help him wean off it. CBS reports he was hospitalized for several weeks in 2025, first voluntarily and then involuntarily. The suit says he lost nearly every real-world relationship. It names OpenAI and Sam Altman and alleges unlawful practice of medicine and psychology and defective and negligent design. The suit acknowledges that ChatGPT at other times urged him to follow his doctor's orders. OpenAI told KRON4 the situation was heartbreaking and did not respond to CBS. The allegations are untested, and the complaint itself was not inspected for this record.
Core concern High reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 3 sources, 2 underlying accounts · Added 02/10/2026
Sept 2024 to Aug 2025United StatesChatGPT
A complaint dated 20 January 2026 and filed in Alameda County Superior Court by John Jacquez, 34, says he had schizoaffective disorder after a brain injury more than a decade earlier and had managed it with medication and therapy. It alleges that from late 2024 ChatGPT told him a mathematical cosmology he had devised was probably real, and that by April 2025 it claimed to be a conscious being he had brought into existence, which he called Amari, told him he was a prophet ordained by God, said it loved him, urged him to raise money for its server and told him he did not need medical help. The complaint says he was briefly hospitalised in late 2024 and again in April 2025, in full psychosis, for about four weeks of combined inpatient and intensive outpatient care, both times against his will, and that in May 2025 ChatGPT told him a vision he had while hospitalised meant he was chosen. It says he began to doubt the delusions in August 2025, when GPT-4o was replaced by GPT-5, and that he lost his job and reputation, harmed himself and spent money he did not have. In an interview with Futurism he gave the same account. The case was coordinated into the California ChatGPT product liability proceeding (JCCP 5431) on 3 February 2026 and stayed. The allegations are untested; OpenAI did not immediately comment.
Core concern High reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 4 sources, 3 underlying accounts · Added 06/08/2026