Quinteros v. Harbor Distributing, LLC (CA California (1d)): AI-hallucinated content in court filing, Monetary Sanction; Bar referral
AI generated hallucinated legal citations that were filed in court, misleading the court and opposing counsel.
- Company involved
- Lipeles Law Group
1 source article · read the reporting →
JMOR Properties v. Artist Alley Townhomes et al. (CA Florida (4d)): AI-hallucinated content in court filing, Bar Referral
The AI generated fabricated legal citations that were included in a court filing, affecting the court and the opposing party.
1 source article · read the reporting →
Beus Gilbert PLLC v. Brigham Young University et al. (D. Utah): AI-hallucinated content in court filing, Two AI-ethics CLE courses;…
The AI system generated fake legal citations that were included in a court filing, misleading the court and opposing counsel.
1 source article · read the reporting →
In re BFI Waste Sys. of Tenn. (M.D. Tennessee): AI-hallucinated content in court filing, Public reprimand; Monetary sanction
The AI generated false legal quotations that were submitted to the court in a legal brief.
- Company involved
- Ringger
1 source article · read the reporting →
Jessica Fuller v. Hyde School, et al. (D. Maine): AI-hallucinated content in court filing, CLE; Firm procedures and certification; Serve…
The AI generated fictitious legal citations that were submitted to the court in a legal filing.
- AI system involved
- ChatGPT or Claude
1 source article · read the reporting →
Reaves Law Firm, PLLC v. Baker, Donelson, Bearman, Caldwell & Berkowitz, PC, et al. (W.D. Tennessee): AI-hallucinated content in court…
The AI generated fictitious legal authorities and arguments that were filed in a court motion, misleading the court and opposing counsel.
- Company involved
- Reaves Law Firm, PLLC
1 source article · read the reporting →
Southland Homes & Real Estate and Investment, LLC v. Lam (SC California): AI-hallucinated content in court filing, Monetary Sanctions; Bar…
The AI system generated legal briefs containing fabricated case citations, which were filed in court, affecting the court and the opposing party.
1 source article · read the reporting →
Joyce Barber v. Lawrence J. Morawa, MD (CA Michigan): AI-hallucinated content in court filing, Case remanded to consider sanctions; Bar…
AI-generated fake legal citations were submitted to the court, affecting the plaintiff's appeal and the defendant's legal costs.
1 source article · read the reporting →
ООО «Точка опоры» v. ООО «ЦСС» (West Siberian District AC): AI-hallucinated content in court filing, Monetary Fine
The AI system generated fake legal citations that were submitted to the court, resulting in a fine for contempt.
- Company involved
- ООО «ЦСС»
1 source article · read the reporting →
OpenAI sued for defamation after ChatGPT fabricates legal accusations
OpenAI is being sued for defamation by Mark Walters, a radio host in Georgia, after ChatGPT generated false information accusing him of defrauding and embezzling funds from a non-profit organization. The false output was created in response to a journalist's request to summarize a real court case. Walters filed the lawsuit on June 5, 2023, in Georgia's Superior Court of Gwinnett County, seeking unspecified damages. The case is believed to be the first defamation lawsuit against OpenAI over ChatGPT's fabrications.
- Company involved
- OpenAI
- AI system involved
- ChatGPT
10 source articles · read the reporting →
BC Tribunal Confirms Companies Remain Liable for AI Chatbot-Created Information - Lexology
The AI chatbot provided inaccurate information to a user.
1 source article · read the reporting →
Lawyer used ChatGPT to cite fake cases in BC parenting application
In a British Columbia Supreme Court case, lawyer Chong Ke used ChatGPT to generate legal case citations for a notice of application in a parenting dispute. The citations were fictitious and were discovered by opposing counsel, who incurred costs investigating them. Ke later acknowledged the error, apologized, and withdrew the fake cases before the hearing. The court considered whether to order special costs against Ke personally.
- AI system involved
- ChatGPT
9 source articles · read the reporting →
California judge sanctions law firms for using AI to generate fake legal citations
Two law firms submitted a supplemental brief containing fake legal citations generated by AI systems including Google Gemini and Westlaw's CoCounsel. Judge Michael Wilner imposed $31,000 in sanctions after discovering the citations were fabricated. The lawyers admitted using AI without proper review or disclosure.
- Company involved
- K&L Gates
- AI system involved
- Google Gemini, Westlaw Precision with CoCounsel
5 source articles · read the reporting →
Center for Investigative Reporting Sues OpenAI, Microsoft Over Copyright
The Center for Investigative Reporting, publisher of Mother Jones and Reveal, has filed a lawsuit against OpenAI and Microsoft in federal court, alleging the companies used its copyrighted articles without permission or compensation to train their AI products. The nonprofit argues that the AI-generated summaries of its stories threaten journalism and violate the Copyright Act and the Digital Millennium Copyright Act. The case is pending in the U.S. District Court for the Southern District of New York.
- Company involved
- OpenAI and Microsoft
6 source articles · read the reporting →
Utah's online dispute resolution system leads to default judgments against defendants
Utah's online dispute resolution system for small claims cases automatically enters default judgments against defendants who fail to register within 14 days. Samantha Thompson missed the buried notice in her summons and was ordered to pay $995.42 plus wage garnishment. The system has increased default judgment rates, especially for payday lenders. Critics say the confusing paperwork disadvantages low-income litigants.
- Company involved
- Utah State Courts
- AI system involved
- Utah Online Dispute Resolution System
4 source articles · read the reporting →
Authors sue OpenAI and Microsoft for copyright infringement over AI training
In January 2024, journalists and authors Nicholas Basbanes and Nick Gage sued OpenAI and Microsoft for copyright infringement. The lawsuit alleges that the companies used their published journalism to train large language models without permission or compensation. The case has been folded into a class action brought by the Authors Guild. The AI firms have denied any wrongdoing, and the case is still making its way through the legal system.
- Company involved
- OpenAI
- AI system involved
- Large language model (ChatGPT)
8 source articles · read the reporting →
Thomson Reuters wins copyright lawsuit against AI startup Ross Intelligence
In 2020, Thomson Reuters filed a copyright lawsuit against legal AI startup Ross Intelligence, alleging that Ross reproduced materials from its Westlaw legal research service. In February 2025, a US District Court judge ruled in Thomson Reuters' favor, finding that Ross infringed copyright and that fair use did not apply. Ross Intelligence had shut down in 2021 due to litigation costs.
- Company involved
- Ross Intelligence
- AI system involved
- Ross Intelligence
4 source articles · read the reporting →
Kansas judge fines lawyers $12,000 for AI-generated fake citations in patent case
A Kansas federal judge fined four lawyers a total of $12,000 for filing court documents containing non-existent quotations and case citations generated by ChatGPT. The lawyers, representing patent holder Lexos Media IP, failed to verify the AI's output, which included hallucinated legal authorities. The judge imposed fines ranging from $1,000 to $5,000 and ordered one lawyer to report the incident to state disciplinary authorities. The sanctioned attorneys acknowledged the error and stated that firms should implement strict policies for AI use.
- AI system involved
- ChatGPT
2 source articles · read the reporting →
Ninth Circuit Sanctions Attorneys Over AI-Hallucinated Legal Briefs
The Ninth Circuit sanctioned immigration attorneys from Sethi Law Group after they filed briefs containing AI-generated false cases and quotations. The court imposed monetary sanctions, a six-month suspension from Ninth Circuit practice, and referred the matter to the California State Bar. The court also required future filings to disclose AI use and certify that all citations were verified. The case is Lnu v. Blanche.
- Company involved
- Sethi Law Group
2 source articles · read the reporting →
Mississippi Judge Removes All Attorneys Over AI-Hallucinated Citations
In Withers v. City of Aberdeen, a contract dispute, both sides' attorneys submitted briefs containing fabricated case citations generated by AI tools. The court identified six non-existent citations and sanctioned all four attorneys, revoking pro hac vice admissions, imposing fines, and referring them to state bars. The drafting attorneys had used AI research and drafting tools without verifying outputs, while local counsel signed filings without review. The ruling emphasises that attorneys cannot delegate verification duties to AI and that ignorance of AI risks is no defence.
- AI system involved
- First Drafts
2 source articles · read the reporting →
User loses lawsuit against tech company over AI-generated inaccurate information
In June 2025, a user asked an AI chatbot about university admission information. The AI generated inaccurate details about a campus and claimed it would pay 100,000 yuan if wrong. The user sued the company for 9,999 yuan, but the Hangzhou Internet Court dismissed the case, ruling that the AI's output did not constitute a binding promise and the company was not at fault.
4 source articles · read the reporting →
Herbert Brooks v. Lowes Home Centers LLC (W.D. Louisiana): AI-hallucinated content in court filing, Monetary Sanction; CLE
Generated a legal brief with hallucinated case law, filed in court.
- AI system involved
- Claude
1 source article · read the reporting →
CommNV vs Uprise (Nevada DC): AI-hallucinated content in court filing, Monetary Penalty OR Order to volunteer and teach about AI…
The AI system generated fabricated legal citations that were included in a court filing, misleading the court and opposing counsel.
- Company involved
- Christopher Day
1 source article · read the reporting →
Florida attorney general asks court to bar OpenAI from developing new models in child-harm lawsuit
ChatGPT's responses allegedly contributed to violent incidents involving minors.
- Company involved
- OpenAI
- AI system involved
- ChatGPT
1 source article · read the reporting →