Rights and Bureaucracy · News · 🇧🇷 Brazil
The ChatGPT-written petition that earned a fine from the TSE
A lawyer filed a petition written with ChatGPT at the TSE and was fined for bad-faith litigation.
- Profession
- Lawyer
- Tools
- ChatGPT
- Source
- migalhas.com.br ↗
- Country
- 🇧🇷 Brazil
- Report date
- April 19, 2023
- Verified on
- October 24, 2026

What they did
A lawyer asked to join a case at the TSE as amicus curiae using a text generated with ChatGPT, written as a "fable," as a protest against the courts' use of AI.
How it went
The inspector general imposed a fine of R$ 2,604 for bad-faith litigation.
Good to know
A court filing is the responsibility of whoever signs it. Use AI only for a draft and review every line.
The prompt
Review this draft petition [paste text without the parties' data] and point out: unsupported claims, citations I need to verify at the official source, and passages that might come across as procedural bad faith.
Replace what is in [brackets]. Prompt written by us from the account, not a literal copy of the source. Do not paste other people’s personal data (privacy laws such as LGPD and GDPR apply).
Summary in our own words. Results as stated in the original account; we have not tested or audited them. Read the source ↗ Found a mistake?
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