LLMMedium
Norwegian Supreme Court Receives Legal Filing with Fabricated Citations Allegedly Generated by AI Tool
- Occurred
- Apr 10, 2025
- Published
- Apr 10, 2025
- Source
- AI Incident Database
Summary
In early 2025, Norway’s Supreme Court (Høyesterett) received a legal filing containing hallucinated legal citations and quotes, allegedly inserted by an attorney using an AI tool without verification. The fabricated sources were detected during standard review. While no sanctions were issued, the Court updated its guidance to lawyers, warning that AI use does not exempt them from professional responsibility.
Developers
- Unspecified generative AI developer
Deployers
- Unnamed Norwegian lawyer
Harmed parties
- Supreme Court of Norway
- Høyesterett
- Unnamed clients represented by unnamed Norwegian lawyer
- Judicial integrity
Tags
- Hallucinated content
- Fabricated citations
- Legal
- Norway
Classification
Category confidence: 95%
Severity confidence: 90%
Rationale: AI-generated hallucinations in legal filings constitute a notable failure with professional responsibility implications.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8