Judicial & Litigation Database.
Comprehensive tracker of AI-related court rulings, sanctions, and legal precedents across jurisdictions.
| LOC | Date ↓ | Case Title | Summary | AI Tool | Action |
|---|---|---|---|---|---|
 | 2025-05-22 | utah ct app (us) — chatgpt hallucinated petition: fees, refund, donation | The court addressed a petition for interlocutory appeal containing fabricated or inapposite authorities, including a hallucinated case that appeared to exist only through ChatGPT. Counsel acknowledged that fabricated authority obtained from ChatGPT was includ... | ChatGPT | View |
| | 2025-05-20 | s.d. fla. (us) — ai hallucinated case: fees, cle, and fines | The court found that defense counsel filed a response containing a wholly fabricated case citation that could not be located, and counsel later admitted the citation resulted from using an AI tool without verification. The court emphasized Rule 11’s reasonabl... | Unknown / Not Disclo... | View |
 | 2025-03-14 | trib. firenze (imp.) — chatgpt citations inaccurate; art. 96 request denied | The court addressed an objection that the opposing party’s brief relied on incorrect or non-existent case-law references. Counsel explained that a staff member used ChatGPT to search for jurisprudence and inserted the returned citations without verification, p... | ChatGPT (disclosed) | View |
| | 2025-02-24 | d. wyo. (us) — mx2.law hallucinations: pro hac vice revoked and fines | The court addressed motions in limine that cited numerous non-existent cases generated by an AI platform after counsel used an AI-assisted tool to insert Wyoming case law. The court emphasized that attorneys must verify sources and that AI hallucinations do n... | LegalTool: mx2.law | View |
| | 2024-11-25 | edtx (us) — claude hallucinated cases: $2,000 penalty and ai cle | The court considered whether plaintiff’s counsel should be sanctioned for filing a summary-judgment response containing AI-generated citations to non-existent cases and quotations that could not be found in cited authorities. Counsel acknowledged using the ge... | Claude | View |
 | 2024-09-09 | TC (ES) — warning and bar notification after AI-linked false quotations | The Constitutional Court reported that an amparo brief contained 19 quotations attributed to Constitutional Court decisions that did not exist, creating a misleading appearance of supporting case-law. The lawyer argued the irregularities were due to mistakes ... | Unknown / Not Disclo... | View |
| | 2024-09-04 | TSJ Navarra (ES) — separate piece over AI citation error archived | The court had opened a separate proceeding to examine possible procedural bad faith after a filing contained an erroneous reference to the Colombian Penal Code, described as an error stemming from use of artificial intelligence. The party later apologized and... | Unknown / Not Disclo... | View |
 | 2024-06-26 | GHDHA (nl) — chatgpt comparator list rejected in bpm dispute | In a bpm dispute about determining comparable vehicles, the appellant used ChatGPT to generate a list of cars said to be in the same economic context and competitive position. The court held that such an AI-generated list, without further substantiation, is i... | ChatGPT | View |
| | 2024-03-05 | GHDHA (nl) — chatgpt-derived valuation assertions discounted | The court noted that the appellant relied on assertions derived from ChatGPT in challenging the valuation, but the appellant did not explain what question was entered into ChatGPT and did not substantiate the assertions. The AI-derived points therefore did no... | ChatGPT | View |
| | 2024-01-30 | 2d cir (us) — chatgpt fake citation referred to grievance panel | The court addressed counsel’s admission that she cited a non-existent state-court decision in a reply brief after relying on ChatGPT to identify precedent. The court stated this conduct fell below basic obligations of counsel. It referred the attorney to the ... | ChatGPT | View |