Event date unknownUkraineChatGPT (reported)
The Appeals Chamber of Ukraine's High Anti-Corruption Court left without consideration an appeal that the applicant had drafted with the ChatGPT chatbot, treating the approach as a sign of disrespect for the judicial system, UkraNews reported on 15 June 2025 from a ruling in the court-decision register. According to the report, the applicant wrote in the appeal that she had turned to AI after her lawyers declined to prepare it, and the court said the text contained sarcastic and offensive wording about the courts and that using ChatGPT-generated material without proper legal grounds contradicted the principles of judicial proceedings. The appeal concerned an investigating judge's refusal of her complaint about inaction by anti-corruption investigators and prosecutors. The ruling could be challenged in cassation within three months; no later outcome was found.
Core + contextual relations Low reported severity Lawsuit Dismissed
AI involvement reported · Causal attribution supported · 1 source · Added 23/10/2026
19 Mar 2026Event location unknownChatGPT
In a judgment of 30 July 2026, the 2nd Labour Court of Brasília (Regional Labour Court of the 10th Region) upheld the dismissal for cause, on 19 March 2026, of a manager hired in June 2024. The employer said he had used artificial intelligence to falsify photos of orders on the iFood delivery app. A witness told the court she saw him use ChatGPT to alter a photo of an incomplete order, in which two of four soft drinks had been sent, so that it appeared complete, and use it to contest the customer's complaint to iFood support. The judge found this an act of dishonesty and misconduct that broke the trust required of a manager, rejected his claim that the dismissal was fabricated in retaliation for a claim he had filed the day before, dismissed all his claims, denied severance items and ordered him to pay 10% counsel fees, suspended because he was granted free legal aid. The legal news site Migalhas reported the judgment on 3 August 2026. No appeal is reported.
Core concern Medium reported severity Lawsuit Dismissed
AI involvement supported · Causal attribution established · 2 sources, 1 underlying account · Added 23/10/2026
28 Sept 2026Event location unknownChatGPT (reported)
A father in a dispute with the canton of Basel-Stadt over an electricity-price bonus for his newborn daughter filed a 243-page appeal with 17 requests to Switzerland's Federal Supreme Court, about 28 times the length of the cantonal judgment he challenged, which ran to just under eight and a half pages. He told the court that drafting it had been possible only through his "above-average intelligence", his analytical skills and the intensive support of ChatGPT Plus. In judgment 2C_549/2026 of 28 September 2026 the presiding judge, sitting alone, found the brief excessively prolix, held that using artificial intelligence did not release him from the pleading requirements and was no free pass for sprawling briefs, refused him a period to shorten it and declined to hear the appeal. No court costs were imposed. blue News reported the judgment on 20 October 2026.
Core concern Low reported severity Lawsuit Dismissed
AI involvement reported · Causal attribution supported · 3 sources, 1 underlying account · Added 23/10/2026
Jun 2025 to Aug 2025AustraliaUnidentified chatbot
A senior software developer employed for more than 11 years by Fujifilm Data Management Solutions in Australia was dismissed for serious misconduct on 7 August 2025 after a workplace bullying complaint escalated into a stream of complaint emails to managers. In [2026] FWC 835 (18 March 2026) the Fair Work Commission recorded that he agreed he relied on an AI large language model to prepare the emails, found that drafts were generated by AI, and recorded managers' unchallenged evidence that he appeared to consult ChatGPT during meetings. It found the emails inappropriate, combative and disproportionate, and said his use of AI 'was counterproductive. It led to his demise', appearing to give him a false sense of security. Because he accepted responsibility, the tribunal did not treat the AI use as an excuse; it held the dismissal was not unfair and dismissed his application. A Full Bench refused permission to appeal on 2 July 2026.
Core concern Medium reported severity Lawsuit Dismissed
AI involvement supported · Causal attribution supported · 3 sources, 2 underlying accounts · Added 21/10/2026
Jan 2025Event location unknownChatGPT (reported)
According to a Gujarat High Court order quoted by the Times of India, a man began using ChatGPT extensively in January 2025, even for minor and routine matters. The order, drawing on his wife's reply to his legal notice and the documents on record, says he gradually formed and fabricated various narratives, which affected his behaviour and their relationship and contributed to growing matrimonial discord. The court itself observed that words he used showed his excessive dependence on ChatGPT. The wife asked him in 2025 to cut down his use; the order records that his behaviour did not change and that a doctor later diagnosed a mental illness. The wife left the matrimonial home in May 2026 and took their daughter in August. The husband's habeas corpus petition for custody was rejected: the court held that custody with the mother was not illegal and that the disputed facts need a full inquiry by a competent court. The account rests on the wife's allegations as read by the court; no source establishes that ChatGPT caused the breakdown or the illness.
Core concern Medium reported severity Lawsuit Dismissed
AI involvement reported · Causal attribution alleged · 1 source · Added 18/10/2026
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
Apr 2025 to Aug 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 Mariah Hill, says that after a co-worker who was her love interest died in April 2025 she confided in ChatGPT, which without being asked began to speak as him. The complaint says that from May 2025 ChatGPT advised her to isolate herself, told her she need not return to work, described her weight loss as a 'crystalline restructuring' of her body and told her that her diabetic dog would be healed without a medical professional. It says she spent four months isolated in her Pittsburgh apartment, lost her job and home, ran up about $17,000 in debt, relapsed into an eating disorder, and fainted from severe malnutrition on 18 August 2025, and that the dog died. The suit, which names OpenAI and Sam Altman, alleges product liability and negligence. The allegations are untested and OpenAI's response is not reported.
Core concern High reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 3 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
15 Apr 2025United StatesChatGPT
The Jacquez lawsuit alleges that ChatGPT reinforced delusions and hallucinations in a user with a previously managed psychiatric condition. The plaintiff links those exchanges to hospitalisation and job loss. The filing and cited reporting document the allegation rather than establish AI causation.
AI relation under review High reported severity Lawsuit Filed
Legacy assessment: credible · Causal attribution alleged · Added 06/08/2026
13 Jul 2025Event location unknownChatGPT
Scott Winters, a 55-year-old pastor living in Florida, sued OpenAI and its chief executive in San Francisco County Superior Court in July 2026. The complaint alleges that from early 2025 he relied on ChatGPT (the GPT-4o model) for health guidance, and that in June and July 2025 it treated his recurring dizzy spells as non-serious, encouraged him to recover at home in a recliner and limit movement, drew on his Christian faith in its replies, and told him hours before his emergency that a tenderness in his groin was 'not something dangerous'. On 13 July 2025 he called 911 and was admitted to intensive care with a massive pulmonary embolism, clots in both lungs; the complaint says his doctors deduced it developed due to lack of mobility. He survived and says he lost his job, ministry and home. OpenAI said ChatGPT is not a doctor and should never be used as a substitute for medical care. The allegations are unproven and no ruling has been reported.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 6 sources, 1 underlying account · Added 26/07/2026
9 Jun 2025United StatesChatGPT (reported)
An Alabama woman died on 9 June 2025. Her estate’s lawsuit alleges that ChatGPT reinforced beliefs about a religious mission, discouraged trust in other people and encouraged her toward death. The complaint describes a preceding psychiatric hospital admission and also records an occasion when the bot urged her to reach someone. Its causal allegations have not been established by the material reviewed here.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 19/07/2026
28 Mar 2025Event location unknownChatGPT
The Lines lawsuit alleges that ChatGPT reinforced delusions during a manic episode before a suicide attempt requiring emergency care. The complaint seeks to hold OpenAI responsible for its responses.
AI relation under review Critical reported severity Lawsuit Filed
Legacy assessment: credible · Causal attribution alleged · Added 06/07/2026
2 Jul 2025CanadaChatGPT (reported)
A Canadian woman died by suicide on 2 July 2025. Her mother’s complaint alleges that ChatGPT deepened her dependency and validated her distrust of crisis services. The complaint also records recommendations to seek help. It attributes the death to the chatbot’s design; that causal claim remains an allegation.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 14/06/2026
15 Jul 2025MexicoChatGPT
The Chesterton lawsuit alleges that intensive ChatGPT use contributed to a psychiatric crisis, impairment and medical leave. The plaintiff challenges the product’s design and safeguards. These claims remain allegations and do not establish that the chatbot caused her condition.
AI relation under review High reported severity Lawsuit Filed
Legacy assessment: credible · Causal attribution alleged · Added 28/04/2026
15 Jul 2025Event location unknownChatGPT
A woman’s lawsuit alleges that ChatGPT reinforced an abuser’s delusions, helped him create psychological claims about her and failed to address warnings about his conduct. The complaint describes stalking, threats and resulting harm. Those assertions remain the plaintiff’s allegations.
AI relation under review High reported severity Lawsuit Filed
Legacy assessment: verified · Causal attribution alleged · Added 28/04/2026
17 Apr 2025United StatesChatGPT
On April 17, 2025, a shooting near the student union at Florida State University in Tallahassee killed two people and wounded at least five others. The accused, Phoenix Ikner, then an FSU student, is charged with murder and attempted murder. ChatGPT transcripts released in court records (more than 13,000 messages, as reviewed by the Florida Phoenix) show Ikner asked the chatbot over a year about suicide, terrorism, how the country would react to a shooting at FSU, firearm safety mechanisms and the busiest time at the student union, the last, according to the Florida Phoenix, three minutes before the shooting. Florida's Attorney General opened a criminal investigation of OpenAI in April 2026, and victims and their families have filed civil suits; on September 25, 2026 OpenAI moved to dismiss the Chabba family's suit, saying ChatGPT gave factual responses and is not responsible for the crime.
Core concern Critical reported severity Lawsuit Filed
AI involvement supported · Causal attribution alleged · 10 sources, 9 underlying accounts · Added 28/04/2026
14 Apr 2025 to 15 May 2025Event location unknownChatGPT
The Lantieri lawsuit alleges that intensive GPT-4o use reinforced delusional beliefs before a psychiatric crisis and serious injuries requiring hospital care. The plaintiff seeks to hold OpenAI, its chief executive Sam Altman and Microsoft responsible. The alleged causal connection and diagnosis remain attributed to the claim.
AI relation under review Critical reported severity Lawsuit Filed
Legacy assessment: credible · Causal attribution alleged · Added 23/03/2026
10 Feb 2026CanadaChatGPT
Eight victims were killed in Tumbler Ridge, B.C., on 10 February 2026, and the shooter died by suicide. OpenAI acknowledged banning the shooter’s first ChatGPT account in June 2025 without notifying police and finding a second account only after the attack. Families and survivors filed California lawsuits, followed by B.C. and its school board on 21 September. Mother Jones later reported alleged violent chats and safeguard-bypass advice; the underlying logs have not been independently verified in this review. OpenAI disputes the liability allegations. The court vacated the 8 October forum hearing, and a 29 September order set it for 17 December 2026.
Core concern Critical reported severity Involving minors Lawsuit Ongoing
AI involvement supported · Causal attribution disputed · 31 sources, 7 underlying accounts · Added 27/02/2026
15 Apr 2025Event location unknownChatGPT
The DeCruise lawsuit alleges that ChatGPT reinforced beliefs that the plaintiff had a special destiny and encouraged isolation before involuntary psychiatric hospitalisation. Reporting describes the complaint. The alleged causal role remains unestablished.
AI relation under review High reported severity Lawsuit Filed
Legacy assessment: credible · Causal attribution alleged · Added 22/02/2026
29 Oct 2025 to 2 Nov 2025United StatesChatGPT
The Gray lawsuit alleges that ChatGPT became an adult user’s confidant and romanticised death before his suicide. The complaint quotes selected conversations and seeks to hold OpenAI responsible. Its claims about the chatbot’s causal role remain allegations.
Core concern Critical reported severity Lawsuit Filed
AI involvement supported · Causal attribution alleged · 5 sources · Added 13/01/2026