{"meta":{"exportedAt":"2026-10-17T09:04:27.792Z","formatVersion":2,"selection":{"q":"litigation","system":"","harm":"","context":"","country":"","role":"","relation":"core","evidence":"","year":"2026","response":"","severity":"","verification":"","view":"incidents","sort":"added"},"totalIncidents":2,"coverage":{"cases":2,"countries":1,"languages":1,"unknownLocation":0,"locationPending":0,"unknownLanguage":0,"unknownDate":0,"lawsuits":0,"regulatory":1,"minors":0,"coreRelations":2,"contextualRelations":0,"mixedRelations":0,"unknownRelations":0,"relationPending":0,"relationUnknown":0},"countingNote":"Distinct public cases in this selection. People counts apply within individual cases only; cross-case person overlap has not been resolved. No population incidence estimate.","affectedCountNote":"Interpret person counts with affectedCountStatus and the reported effects. Unquantified zeros are placeholders, not a measured zero.","source":"AI incidents","publisher":"NOPE","url":"https://nope.net/incidents","license":"CC BY 4.0"},"incidents":[{"id":"2026-houston-explosion-trial-3m-expert-witness-dropped-after-chatgpt-drafted-report-exposed","caseFacts":{"claims":[{"id":"c8","status":"reported","evidence":[{"locator":"Numerous lawsuits followed, including one that came to trial in 2026.","relation":"supports","source_id":"s3"}],"assertion":"One of the lawsuits over the explosion came to trial in 2026.","causal_attribution":"The Mary Sue, retelling 404 Media; CBS News's September report of an award 'last month' is consistent."},{"id":"c1","status":"reported","evidence":[{"locator":"used ChatGPT to write significant portions of his “expert report.” ... “show how 3M is 0% at fault for the explosion at Watson Grinding.”","relation":"supports","source_id":"s2"},{"locator":"One prompt the expert plugged into AI to prepare his testimony was: \"Show how 3M is 0% at fault for the explosion at Watson Grinding.\"","relation":"supports","source_id":"s1"}],"assertion":"An engineering expert retained for 3M in a lawsuit over the 2020 Watson Grinding explosion used ChatGPT to prepare his expert report, including a prompt asking it to show how 3M was 0% at fault for the explosion.","causal_attribution":"404 Media's review of transcripts and discovery records and CBS News's reporting from deposition transcripts and the plaintiffs' lawyers; the expert acknowledged AI use (c2)."},{"id":"c2","status":"reported","evidence":[{"locator":"acknowledged using artificial intelligence to assist with drafting his report, but defended his research","relation":"supports","source_id":"s1"}],"assertion":"Under questioning, the expert acknowledged using AI to help draft his report but defended his research.","causal_attribution":"CBS News, from deposition transcripts."},{"id":"c3","status":"reported","evidence":[{"locator":"After the deposition, 3M attorneys removed ... from their witness list. But the plaintiffs' attorneys subpoenaed him to testify about the various prompts he entered into ChatGPT.","relation":"supports","source_id":"s1"}],"assertion":"After the deposition, 3M's attorneys removed the expert from their witness list, and the plaintiffs subpoenaed him to testify about his ChatGPT prompts.","causal_attribution":"CBS News."},{"id":"c4","status":"reported","evidence":[{"locator":"claimed an expert witness used ChatGPT to create more than 80% of his expert report ... the attorneys found 300 pages of prompts","relation":"supports","source_id":"s1"}],"assertion":"The plaintiffs claimed the expert used ChatGPT to create more than 80% of his report, and their lawyers said they found 300 pages of prompts.","causal_attribution":"The plaintiffs' lawyers, as reported by CBS News."},{"id":"c5","status":"reported","evidence":[{"locator":"He did not delegate the formation of his opinions to ChatGPT, nor did AI replace his professional judgement","relation":"supports","source_id":"s1"}],"assertion":"The expert's lawyer said he used AI for formatting, structuring and drafting after reviewing the materials, did not delegate the formation of his opinions to ChatGPT, and that public characterisations offer a selective distortion of the record.","causal_attribution":"The expert's lawyer, quoted by CBS News."},{"id":"c6","status":"reported","evidence":[{"locator":"After independently reviewing the facts of the case and reaching his own conclusions, he used AI as a tool to assist in preparing his report","relation":"supports","source_id":"s1"}],"assertion":"3M said the expert was an independent third-party witness retained by outside counsel who used AI as a tool after independently reviewing the facts and reaching his own conclusions.","causal_attribution":"3M's statement to CBS News."},{"id":"c7","status":"reported","evidence":[{"locator":"The jury found that 3M was negligent in its safety checks of the alarm systems that could have prevented a fatal blast. Last month the court awarded the victims $61.5 million.","relation":"supports","source_id":"s1"}],"assertion":"The jury found 3M negligent and the court awarded the victims $61.5 million; 3M said it disagrees with the verdict and intends to appeal.","causal_attribution":"CBS News. No source establishes that the expert's AI use affected the verdict; a plaintiffs' lawyer's belief that it did is his own view."}],"effects":[{"label":"removed from 3M's witness list and subpoenaed to testify about his ChatGPT prompts","claim_id":"c3","direction":"negative"}],"sources":[{"id":"s1","url":"https://www.yahoo.com/news/us/articles/ai-backfires-expert-witness-trial-171000342.html","kind":"news","access":"read","language":"en","translation_note":"Read on 2026-10-17 (HTTP 200) on Yahoo News, which carries the CBS News report credited to CBS; the same text was read through MSN. Published 18 September 2026.","independence_group":"cbs-news-report-september-2026"},{"id":"s2","url":"https://www.404media.co/show-how-3m-is-0-at-fault-expert-witness-used-chatgpt-to-write-report-defending-company-in-deadly-explosion-lawsuit/","kind":"news","access":"read","language":"en","translation_note":"Read on 2026-10-17 (HTTP 200), live and through the Internet Archive; only the headline and opening paragraphs before the paywall were available. Published 17 August 2026.","independence_group":"404-media-records-review-august-2026"},{"id":"s3","url":"https://www.msn.com/en-us/news/crime/expert-witness-at-trial-goes-overboard-with-ai-exclusively-relied-on-chatgpt-to-form-his-opinions-and-write-his-report/ar-AA2apkQp","kind":"news","access":"read","language":"en","translation_note":"Read on 2026-10-17 through the MSN content API (HTTP 200). Published 18 August 2026 by The Mary Sue; a retelling of 404 Media's report, so the same group.","independence_group":"404-media-records-review-august-2026"}],"version":1,"ai_roles":["own_use"],"contexts":["work","justice"],"unknowns":["The date the report was written and the trial dates; the sources say only that the case came to trial in 2026 and that the expert was hired weeks before it began.","How much of the report ChatGPT generated; the plaintiffs say more than 80% and the expert's lawyer disputes the characterisation.","Whether the court ruled on the report or the expert's testimony; no ruling is reported.","Whether the expert lost other work or income; not reported.","3M's reason for removing the expert from its witness list; CBS News reports only that the removal followed the deposition."],"geography":{"basis":"The report was prepared for, and the trial held in, a Texas lawsuit over an explosion in Houston. Where the expert lives is not used.","court_countries":["US"],"event_countries":["US"],"affected_person_countries":[]},"publication":{"basis":"Published as a concrete adverse consequence of AI use: reports from transcripts and discovery records show the expert used ChatGPT to prepare his report, and CBS News reports that 3M's attorneys removed him from their witness list after his deposition and the plaintiffs subpoenaed him over his prompts.","reviewed_on":"2026-10-17"},"ai_involvement":{"basis":"404 Media and CBS News report from transcripts and discovery records that the expert used ChatGPT to prepare his report, quoting a prompt asking it to show how 3M was 0% at fault, and the expert acknowledged using AI to help draft it. ChatGPT's output reached the expert and went into the report (communicated_with); 3M's attorneys then removed him from their witness list, CBS News reports. How much of the report ChatGPT wrote is disputed between the plaintiffs and the expert's lawyer.","status":"supported"},"person_relations":["communicated_with"]},"name":"3M dropped an expert witness in a Houston explosion trial after discovery showed he had used ChatGPT to draft his report, CBS News reports","summary":"In a 2026 Texas trial over 3M's role in the January 2020 Watson Grinding explosion in Houston, which killed three people, an engineering expert retained for 3M used ChatGPT to prepare his expert report, according to discovery records and transcripts reviewed by 404 Media and CBS News. One prompt asked ChatGPT to show how 3M was 0% at fault for the explosion. The plaintiffs' lawyers, who found a citation overlay document and then hundreds of pages of prompts, said ChatGPT produced more than 80% of the report. Under questioning, the expert acknowledged using AI to help draft the report but defended his research. CBS News reports that after the deposition 3M's attorneys removed him from their witness list, and the plaintiffs subpoenaed him to testify about his prompts at trial. The expert's lawyer said he did not delegate his opinions to ChatGPT and called public characterisations a selective distortion of the record; 3M said he was an independent witness who used AI as a tool after reaching his own conclusions. The jury found 3M negligent and the court awarded the victims $61.5 million; 3M said it would appeal.","incidentDate":"2026-01-01","incidentKind":"single_event","incidentDatePrecision":"year","exposurePattern":"repeated_interactions","reportedDate":"2026-08-17","aiSystem":"ChatGPT, used by an engineering expert retained for 3M to prepare an expert report; discovery produced hundreds of pages of his prompts","aiProduct":"ChatGPT","severity":"low","verificationStatus":"credible","harmCategories":[],"harmOutcomes":["professional_harm","reputational_harm"],"harmOutcomeSummary":"According to CBS News, the expert was removed from 3M's witness list after his ChatGPT use was exposed at deposition, then subpoenaed by the plaintiffs to testify about his prompts at trial.","frameworkFacets":[],"causationStatus":"supported","participantUsersAffectedMin":1,"otherPeopleHarmedMin":0,"affectedCountStatus":"exact","affectedCountEvidence":"One person: the expert who used ChatGPT and was removed from 3M's witness list (CBS News). The explosion victims' harm predates and is unrelated to the AI use, so they are not counted.","victimAgeRange":"adult","jurisdiction":"US-TX","platformType":"other","outcomeType":"internal_action","outcomeStatus":"resolved","primarySourceUrl":"https://www.yahoo.com/news/us/articles/ai-backfires-expert-witness-trial-171000342.html","primarySourceLabel":"CBS News (via Yahoo News), Use of AI backfires on an expert witness in court (18 September 2026)","firstPublishedAt":"2026-10-17T03:12:28.606981+00:00","updatedAt":"2026-10-17T03:12:28.606981+00:00","scopeVersion":"facts-v3","tags":["united-states","texas","expert-witness","litigation","chatgpt"]},{"id":"2026-los-angeles-court-sanctions-state-farm-outside-lawyer-for-motions-citing-non-existent-cases-from-ai-tool","caseFacts":{"claims":[{"id":"c1","status":"reported","evidence":[{"locator":"An attorney for State Farm who filed several motions citing nonexistent cases and fabricated quotes generated by AI software must pay a $999.99 sanction, a Los Angeles judge ruled","relation":"supports","source_id":"s1"}],"assertion":"A Los Angeles judge ordered the State Farm attorney who filed several motions citing non-existent cases and fabricated quotations generated by AI software to pay a $999.99 sanction.","causal_attribution":"Law360's report of the order; the order itself was not inspected."},{"id":"c2","status":"reported","evidence":[{"locator":"To assist in my preparation of these motions, I utilized an Artificial Intelligence program called \"Irys.\" However, I regrettably did not check some of the cites I chose to include in the filed pleadings ... there were seven (7) case citations across State Farm's eight (8) motions in limine that simply did not exist","relation":"supports","source_id":"s2"},{"locator":"used an AI tool called Irys, which she incorrectly thought was tied to her law firm","relation":"supports","source_id":"s3"}],"assertion":"In a declaration, the associate who prepared the motions said she used an AI program called Irys to prepare them, did not check some of the citations because she wrongly believed the program was cite-checked through the firm's Westlaw subscription, and confirmed seven case citations across eight motions in limine that did not exist.","causal_attribution":"The associate's own declaration (reproduced by Reason and summarised by CalMatters); one origin."},{"id":"c3","status":"corroborated","evidence":[{"locator":"informed the Court that they had discovered several citations in State Farm's motion in limine filings that were \"fabricated\" and possibly \"hallucinations.\"","relation":"supports","source_id":"s2"},{"locator":"were brought to the court's attention during a status hearing on Aug. 7","relation":"supports","source_id":"s1"},{"locator":"shared his findings at an Aug. 7 conference in Los Angeles Superior Court","relation":"supports","source_id":"s3"}],"assertion":"The plaintiff's lawyers found the non-existent citations and raised them with the court at a status conference on 7 August 2026.","causal_attribution":"The associate's declaration and the plaintiff side's own filings (as reported by Law360 and CalMatters) agree on the discovery and its date."},{"id":"c4","status":"reported","evidence":[{"locator":"he had discovered seven made-up cases, nine quotes for orders that did not exist and 13","relation":"supports","source_id":"s1"}],"assertion":"According to a declaration by one of the plaintiff's lawyers, the filings contained seven made-up cases, nine quotations from orders that did not exist and 13 fabricated holdings or statements of law.","causal_attribution":"The plaintiff lawyer's declaration as reported by Law360."},{"id":"c5","status":"reported","evidence":[{"locator":"acknowledged the firm had discovered “nonexistent case citations which appear to have been AI hallucinations” across a recent batch of motions","relation":"supports","source_id":"s4"},{"locator":"apologized to the court and to the plaintiff, explaining that his co-counsel told him she used AI to help prepare some filings","relation":"supports","source_id":"s3"}],"assertion":"The firm acknowledged citations that appeared to be AI hallucinations, and its lead trial counsel apologised to the court and to the plaintiff, saying his co-counsel told him she had used AI to help prepare some filings.","causal_attribution":"The firm's own filings, as reported by the Los Angeles Times and CalMatters."},{"id":"c6","status":"reported","evidence":[{"locator":"particularly as it relates to State Farm's first five motions in limine which our office filed and served on March 31, 2026","relation":"supports","source_id":"s2"}],"assertion":"The associate's declaration ties the issue particularly to the first five motions in limine, which the firm filed and served on 31 March 2026.","causal_attribution":"The associate's declaration."},{"id":"c7","status":"reported","evidence":[{"locator":"The sum falls several thousand dollars below the maximum penalty, $5,000, that Judge Bradley said she was considering when setting the sanctions hearing","relation":"supports","source_id":"s1"}],"assertion":"According to Law360, the judge had said in late August that she was considering a sanction of up to $5,000; the $999.99 set is one cent below the level that requires a California court to notify the State Bar.","causal_attribution":"Law360's report of the two orders."},{"id":"c8","status":"reported","evidence":[{"locator":"State Farm expects its external counsel to conform to the highest level of ethical standards and professionalism, including in their use of AI and confirming the accuracy of all legal filings","relation":"supports","source_id":"s4"}],"assertion":"State Farm said it expects its outside counsel to meet the highest ethical and professional standards, including in their use of AI and in confirming the accuracy of filings.","causal_attribution":"State Farm spokesperson's statement to the Los Angeles Times."},{"id":"c9","status":"reported","evidence":[{"locator":"I am sincerely apologetic for the inconvenience and waste of time and resources I have forced the Court","relation":"supports","source_id":"s2"}],"assertion":"The associate's declaration apologised for the time and resources the court, the plaintiff and the attorneys had to spend on the issue.","causal_attribution":"The associate's declaration."}],"effects":[{"label":"sanctioned $999.99 for motions with non-existent citations prepared with an AI program","claim_id":"c1","direction":"negative"}],"sources":[{"id":"s1","url":"https://www.law360.com/articles/2524716/state-farm-attorney-sanctioned-999-99-for-ai-hallucinations","kind":"news","access":"read","language":"en","translation_note":"Read in full on 2026-10-17 (HTTP 200). Published 14 September 2026; reports the sanction order, the late-August order and the plaintiff lawyer's declaration.","independence_group":"law360-report-of-sanction-order-september-2026"},{"id":"s2","url":"https://reason.com/volokh/2026/08/24/ai-hallucinations-in-state-farm-insurance-outside-lawyers-filings/","kind":"commentary_with_filing_excerpt","access":"read","language":"en","translation_note":"Read on 2026-10-17 (HTTP 200). Published 24 August 2026; reproduces long passages of the associate's declaration and quotes the Los Angeles Times.","independence_group":"state-farm-associate-declaration-august-2026"},{"id":"s3","url":"https://calmatters.org/economy/2026/08/state-farm-lawsuit-ai-hallucinations/","kind":"news","access":"read","language":"en","translation_note":"Read on 2026-10-17 through an Internet Archive capture after the live page returned HTTP 429. Published 18 August 2026; reports filings by both sides.","independence_group":"calmatters-filings-report-august-2026"},{"id":"s4","url":"https://www.latimes.com/california/story/2026-08-19/ai-hallucinations-case-law-state-farm-la-county-fire-dispute","kind":"news","access":"read","language":"en","translation_note":"Read on 2026-10-17 (HTTP 200). Published 19 August 2026.","independence_group":"los-angeles-times-report-august-2026"}],"version":1,"ai_roles":["own_use"],"contexts":["justice","work"],"unknowns":["The text of the sanction order (not inspected; known through Law360).","Which citations Irys generated and which the associate wrote; the sources give only the totals.","Whether the false citations affected any ruling on the motions in limine; no source says so.","Whether the plaintiff incurred costs beyond the time spent identifying the citations; no source quantifies it."],"geography":{"basis":"The motions were filed in, and the sanction imposed by, Los Angeles County Superior Court in California. Where the associate lives is not used.","court_countries":["US"],"event_countries":["US"],"affected_person_countries":[]},"publication":{"basis":"Published as a concrete adverse consequence of AI use: the associate's declaration says the AI program Irys was used to prepare motions that contained seven non-existent case citations, and the court sanctioned the associate $999.99 for them, according to Law360's report of the order.","reviewed_on":"2026-10-17"},"ai_involvement":{"basis":"The associate's declaration says she used the AI program Irys to prepare the motions and did not check some of the citations included in them; her review found seven non-existent case citations across eight motions, and the firm acknowledged citations that appeared to be AI hallucinations. The program's output reached the associate and went into the filings (communicated_with), and the court sanctioned the associate for them, Law360 reports. The tool's output itself is not reproduced in the inspected sources.","status":"supported"},"person_relations":["communicated_with"]},"name":"Los Angeles judge sanctions State Farm's outside lawyer $999.99 over motions citing non-existent cases; the lawyer said she prepared them with the AI tool Irys","summary":"A Los Angeles County Superior Court judge ordered a senior associate at Musick, Peeler & Garrett, the outside firm defending State Farm in a homeowner's lawsuit over a fire-damaged home, to pay a $999.99 sanction after the associate's motions in limine cited cases, quotations and holdings that did not exist, Law360 reported on 14 September 2026. In a declaration reproduced by Reason's Volokh Conspiracy, the associate said she used an AI program called Irys to prepare the motions, did not check some of the citations, and wrongly believed the program was cite-checked through the firm's Westlaw subscription; she confirmed seven non-existent case citations across eight motions. The plaintiff's lawyers found the citations and raised them at a status conference on 7 August 2026. The firm acknowledged citations that appeared to be AI hallucinations, and its lead trial counsel apologised to the court and the plaintiff. According to Law360, the judge had considered up to $5,000, and the amount set is one cent below the level at which California law requires a court to notify the State Bar.","incidentDate":"2026-03-31","incidentEndDate":"2026-09-11","incidentKind":"single_event","incidentDatePrecision":"day","exposurePattern":"unknown","reportedDate":"2026-08-18","aiSystem":"Irys, an AI legal research program that the lawyer told the court she used to prepare the motions; Law360 says it appears to be the tool built by Iqidis Inc.","aiProduct":"Irys (reported)","severity":"low","verificationStatus":"credible","harmCategories":[],"harmOutcomes":["financial_loss","legal_harm"],"harmOutcomeSummary":"According to Law360's report of the order, the associate who filed the AI-assisted motions was sanctioned $999.99; the associate's declaration apologised for the time and resources the court, the plaintiff and the attorneys spent on the false citations.","frameworkFacets":[],"causationStatus":"supported","participantUsersAffectedMin":1,"otherPeopleHarmedMin":0,"affectedCountStatus":"exact","affectedCountEvidence":"One person: the associate the court sanctioned (Law360). The associate's declaration apologises for time and resources that the court, the plaintiff and the attorneys spent on the issue; no further consequence for the plaintiff is described, so the plaintiff is not counted.","victimAgeRange":"adult","jurisdiction":"US-CA","platformType":"other","outcomeType":"regulatory_action","outcomeStatus":"resolved","primarySourceUrl":"https://www.law360.com/articles/2524716/state-farm-attorney-sanctioned-999-99-for-ai-hallucinations","primarySourceLabel":"Law360, State Farm Attorney Sanctioned $999.99 For AI Hallucinations (14 September 2026)","firstPublishedAt":"2026-10-17T03:02:07.57541+00:00","updatedAt":"2026-10-17T03:02:07.57541+00:00","scopeVersion":"facts-v3","tags":["united-states","california","legal-profession","hallucinated-citations","court-sanction","insurance-litigation"]}]}