{"meta":{"exportedAt":"2026-10-16T06:20:58.065Z","formatVersion":2,"selection":{"q":"expert-evidence","system":"","harm":"","context":"","country":"","role":"","relation":"","evidence":"","year":"","response":"","severity":"","verification":"","view":"incidents","sort":"added"},"totalIncidents":1,"coverage":{"cases":1,"countries":1,"languages":1,"unknownLocation":0,"locationPending":0,"unknownLanguage":0,"unknownDate":0,"lawsuits":0,"regulatory":0,"minors":0,"coreRelations":0,"contextualRelations":1,"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-israel-magistrates-court-strikes-expert-report-resting-on-ai-hallucinated-case-law-costs","caseFacts":{"claims":[{"id":"c1","status":"documented","evidence":[{"locator":"'התרשלה בתפקידה כנאמנת'; 'ביום 10.3.26הגישה הנתבעת 2חוות דעת'","relation":"supports","source_id":"s1"}],"assertion":"The plaintiff alleges that the defendant, a lawyer acting as trustee, negligently transferred estate money to another person's account; the defendant filed a third-party notice against two banks and, on 10 March 2026, a banking expert's opinion.","causal_attribution":"The decision's own account of the pleadings; the negligence claim is an allegation in a continuing suit."},{"id":"c2","status":"documented","evidence":[{"locator":"'מבוססת על פסיקה ,חקיקה וספרות פיקטיביות שהומצאו ע\"י בינה מלאכותית ,ובכלל זה פסק דין שאינו קיים'; 'כאשר שאלת השימוש בבינה מלאכותית מקומה להתברר בחקירה נגדית'","relation":"supports","source_id":"s1"}],"assertion":"One bank asked the court to strike the opinion as resting on case law, legislation and literature invented by artificial intelligence, including a ruling that does not exist; the defendant replied that the question of AI use should be examined in cross-examination.","causal_attribution":"The parties' submissions as recorded by the court."},{"id":"c3","status":"documented","evidence":[{"locator":"'הליך שלא ניתן לאתרו לפי מספר או שם הצדדים'; 'מבדיקה עצמאית לא נמצא כי קיים ספר ,מאמר או ציטוט כזה'; 'מבלי שהוגשה התייחסותו של המומחה לטענות המופנות כנגד חוות דעתו ,ומחדל זה פועל לחובתה של הנתבעת'","relation":"supports","source_id":"s1"}],"assertion":"Checking the sources itself, the court could not locate the cited Supreme Court ruling by number or party names, found no book, article or quotation matching the cited legal text, and found that the quoted statutory sections say something else; the defendant filed no response from the expert.","causal_attribution":"The court's own findings after its own check of the sources."},{"id":"c4","status":"documented","evidence":[{"locator":"'משנמצא כי לב חוות הדעת והנספחים המצורפים אליה נשענים על \"הזיות בינה מלאכותית\" מובהקות ועל עיוות מוחלט של לשון חוק שירותי תשלום'; 'הגשת חוות דעת המבוססת על הזיות של בינה מלאכותית מהווה פגם מהותי המצדיק את הוצאתה המידית מהתיק עוד לפני שלב ההוכחות'; 'ומורה על מחיקת חוות דעתו'","relation":"supports","source_id":"s1"}],"assertion":"The court held that the heart of the opinion and its annexes rest on clear AI hallucinations and a distortion of the statute, that an opinion resting on AI hallucinations is a substantive defect justifying its removal before the evidence stage, and struck it from the file.","causal_attribution":"The court attributes the defects to AI hallucinations; that attribution rests on the invented content, with no admission or named tool."},{"id":"c5","status":"documented","evidence":[{"locator":"'שעה שהתיקון של ההודעה לצד שלישי מבוסס על חוות דעת המומחה מטעם המודיעה ,חוות דעת שמצאתי אותה פגומה והוריתי על מחיקתה מהתיק'; 'דין הבקשה לתיקון ההודעה לצד שלישי להידחות'; 'תישא בהוצאות הבקשות לטובת הצד דים השלישיים בסך של'; '₪ 2,500לכל אחד מהם בנפרד'; 'ניתנה היום ,כ\"ז תשרי תשפ\"ז 08 ,אוקטובר'","relation":"supports","source_id":"s1"}],"assertion":"The court refused the defendant's request to amend the third-party notice, giving as one reason that the amendment rested on the struck opinion, and ordered her to pay costs of 2,500 shekels to each of the two banks within 30 days regardless of the outcome; the decision is dated 8 October 2026.","causal_attribution":"The court's orders. The refusal also rests on independent procedural grounds (no supporting affidavit, lateness, lack of good faith)."}],"effects":[{"label":"defendant's expert opinion struck from the file as resting on AI-hallucinated authorities","claim_id":"c4","direction":"negative"},{"label":"defendant's amendment refused and costs of 2,500 shekels ordered to each of two banks","claim_id":"c5","direction":"negative"}],"sources":[{"id":"s1","url":"https://www.damiencharlotin.com/documents/3278/Avaragl_v._Yaakov_Israel.pdf","kind":"court_record","access":"read","language":"he","translation_note":"Read in full in Hebrew by the research agent (an AI) on 2026-10-16 from the copy of the decision hosted on the AI Hallucination Cases database (HTTP 200, 10 pages, text extracted with pdftotext and bidirectional-control characters removed); the English renderings in this record are the research agent's own translation, with no human translator involved.","independence_group":"nof-hagalil-nazareth-magistrates-court-civil-file-38820-04-24-decision"}],"version":1,"ai_roles":["others_use"],"contexts":["justice","finance"],"unknowns":["Which AI tool, if any, the expert used; the decision names none and records no account from the expert.","Whether the defendant appeals the decision or pays the costs, and how the suit and the third-party notice are decided.","Whether the expert faces any professional consequence."],"geography":{"basis":"The opinion was filed in, and struck by, the Magistrates' Court in Nof HaGalil-Nazareth, Israel. Where the parties live is not stated and is not used.","court_countries":["IL"],"event_countries":["IL"],"affected_person_countries":[]},"publication":{"basis":"Published because the court's decision, read in full, finds that a filed expert opinion rests on AI-hallucinated authorities and distorted statute text, and on that basis strikes it, refuses the amendment built on it and orders the filing defendant to pay costs. The case is an expert witness's report excluded from evidence before trial.","reviewed_on":"2026-10-16"},"ai_involvement":{"basis":"The court's decision finds that the heart of the expert opinion and its annexes rest on clear 'AI hallucinations': a Supreme Court ruling the court could not locate, a cited book it could not find and statutory sections quoted with text the statute does not contain. The court read that output in the filed opinion and, because of it, struck the opinion, refused the amendment that rested on it and ordered the defendant to pay costs (informed_decision_about). The attribution to AI is the court's own finding after checking the sources; no admission, tool or account by the expert is recorded.","status":"supported"},"person_relations":["informed_decision_about"]},"name":"Israeli court strikes a defendant's expert report it found rested on AI-hallucinated case law and orders her to pay the banks' costs","summary":"On 8 October 2026 the Magistrates' Court in Nof HaGalil-Nazareth, Israel, struck from the file a banking expert's opinion that a defendant in a civil negligence suit had filed, finding that the heart of the opinion and its annexes rested on clear 'AI hallucinations': a Supreme Court ruling the court could not locate, a book it could not find and statutory sections quoted with text the statute does not contain. The court also refused the defendant's request to amend her third-party notice against two banks, partly because the amendment relied on the struck opinion, and ordered her to pay costs of 2,500 shekels to each bank. No AI tool is named, and the decision records no response from the expert.","incidentDate":"2026-10-08","incidentKind":"single_event","incidentDatePrecision":"day","exposurePattern":"unknown","reportedDate":"2026-10-08","aiSystem":"Unidentified generative AI tool; the court found that the expert opinion rests on AI hallucinations but names no tool, and the expert did not respond","aiProduct":"Unidentified AI tool","severity":"medium","verificationStatus":"credible","harmCategories":[],"harmOutcomes":["legal_harm","financial_loss"],"harmOutcomeSummary":"According to the court's decision, the defendant's expert evidence was struck and her amendment refused because the opinion rested on what the court found were AI-hallucinated authorities and distorted statute text, and she was ordered to pay 2,500 shekels in costs to each of two banks.","frameworkFacets":[],"causationStatus":"supported","participantUsersAffectedMin":0,"otherPeopleHarmedMin":1,"affectedCountStatus":"exact","affectedCountEvidence":"One person counted: the defendant who filed the opinion, whose evidence was struck, whose amendment was refused and who was ordered to pay costs. The expert is not counted because the decision orders nothing against him; the plaintiff and the banks are not harmed by the ruling.","victimAgeRange":"adult","jurisdiction":"IL","platformType":"other","outcomeStatus":"ongoing","primarySourceUrl":"https://www.damiencharlotin.com/documents/3278/Avaragl_v._Yaakov_Israel.pdf","primarySourceLabel":"Magistrates' Court, Nof HaGalil-Nazareth, civil file 38820-04-24, decision (8 October 2026)","firstPublishedAt":"2026-10-16T03:01:26.843634+00:00","updatedAt":"2026-10-16T03:01:26.843634+00:00","scopeVersion":"facts-v3","tags":["israel","expert-evidence","hallucinated-citations","court-decision","costs","banking"]}]}