As of 2026-10-07, 10 official documents govern AI use by lawyers, judges or litigants in Brazil. 1 requires disclosure or certification of AI use, 4 impose an explicit verification duty, and 0 prohibit some use outright. The incident tracker records 4 incidents in this jurisdiction.
Representative of Brazil's sanctions line: the Parana Court of Justice fined a lawyer 2 per cent of the updated case value under article 81 of the Code of Civil Procedure for citing a non-existent STJ ruling fabricated by AI, and referred him to the Parana Bar, holding that AI support does not relieve the duty of rigorous verification.
Institutional plan launched on 15 June 2026 with five axes: AI governance and good practice, training of lawyers through the ESA schools, modernisation of OAB services, defence of professional prerogatives, and technological inclusion of small practices. It commits the Bar to a Code of Good Practice for AI in Legal Practice and to regional technical chambers.
The Sao Paulo Bar's ethics tribunal held that partners and managers must ensure AI use by associates, contractors, trainees and non-lawyer staff is supervised, and must fully review all AI-generated output before it is filed, with special care for case-law research, citing article 77 of the Code of Civil Procedure and OAB Recommendation 001/2024.
Resolution 615/2025 of Brazil's National Council of Justice, approved 11 March 2025, effective 14 July 2025 and amended on committee composition by Resolution 674/2026, replaces Resolution 332/2020 for the judiciary. It classifies AI uses by risk, requires human supervision, creates a National AI Committee, and permits judges and staff to use LLMs within those controls.
Guidance for arbitrations administered by CAM-CCBC: all participants must understand AI tools and their limits; AI use must respect confidentiality; party representatives are responsible for the factual and legal accuracy of AI-assisted work; disclosure is not required as a general rule but should be discussed case by case; and arbitrators may not delegate decision-making to AI.
The President of the Superior Court of Justice refused OAB/RJ's request to suspend a platform selling AI-drafted small-claims petitions for about twenty reais, finding no prima facie unauthorised practice where the law lets citizens litigate without counsel and calling it paradoxical to bar digital tools from those entitled to represent themselves.
Risk-based AI bill modelled on the EU AI Act: it bans excessive-risk systems, imposes obligations on high-risk systems, creates rights to transparency, explanation and contestation, establishes a National AI Regulation and Governance System under the ANPD, and sets fines up to fifty million reais. It passed the Senate on 10 December 2024 and remains pending.
The Brazilian Bar's first national guidance on generative AI, approved 11 November 2024 and prepared by its Cybersecurity, AI and Data Protection Observatory. Four pillars: applicable law including the LGPD, Statute and Code of Ethics; confidentiality and privacy; ethical legal practice with human supervision and verification; and prior formal communication to clients about AI use.
ANPD consultation running from 6 November 2024 to 24 January 2025 on how AI systems and automated decisions map onto LGPD principles, legal bases and the article 20 right to review, as item 7 of its 2025-26 regulatory agenda. A regulation has not been issued; the consultation frames future rules for legal-sector AI processing personal data.
Brazil's first judicial AI framework, issued 21 August 2020, set principles of transparency, non-discrimination, human supervision and accountability for AI models developed or used by courts, required registration on the Sinapses platform, and barred AI-based criminal sentencing recommendations. It was replaced by Resolution 615/2025, which took effect on 14 July 2025.
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