Apelacao Civel 1032884-04.2025.8.26.0224 (TJSP, 36a Camara de Direito Privado)
·Tribunal de Justica de Sao Paulo, 36a Camara de Direito Privado·BRFine
The Tribunal de Justica de Sao Paulo, deciding a defective-car consumer appeal, found the plaintiff's lawyer had used AI without critical review to cite fabricated precedents. Treating this as bad-faith litigation, it imposed a fine of 2 percent of the value of the claim and sent the ruling to the Sao Paulo and Federal bar councils.
- Court
- Tribunal de Justica de Sao Paulo, 36a Camara de Direito Privado
- Date
- 2026-08-13
- Who used the AI
- Lawyer
- AI tool
- Not identified in the record
- Conduct
- The consumer-plaintiff's lawyer cited nonexistent precedents generated by AI in the initial petition of a defective-vehicle claim, without critical review. The court imposed a bad-faith litigation fine under article 81 of the Code of Civil Procedure.
- Outcome
- Fine
- Penalty
- No monetary penalty recorded
- Regulatory outcome
- OAB/SP and Conselho Federal da OAB: Court sent an oficio with the ruling to the Sao Paulo section and the Federal Council of the Brazilian Bar, invoking the OAB's 2024 AI recommendation. No disposition on record. (2026-08-13)
- Status
- Verified against listed sources
- Last checked
- 2026-09-03
Primary sources for this incident
Related regulation records for this incident
No related regulation record has been linked to this incident yet.
Cite this record
SafeLegalAI Global Legal AI Incident Tracker, “Apelacao Civel 1032884-04.2025.8.26.0224 (TJSP, 36a Camara de Direito Privado)”, safelegalai.com/tracker/tjsp-1032884-04 (accessed 2026-09-04). Data: CC BY 4.0.