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December 3, 2025

Thailand Civil Court Issues Rules on AI-Generated Court Filings

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Thailand’s Civil Court has issued a regulation targeting the use of artificial intelligence (AI) in the preparation of pleadings and other documents submitted to the court. Effective November 17, 2025, the regulation aligns with September 2025 guidance from the president of the Supreme Court, and aims to safeguard accuracy, transparency, and public confidence in civil adjudication.

The regulation applies to all parties submitting pleadings or any documents to the Civil Court that are prepared using AI tools or contain AI-generated content. It subjects AI used for these purposes to strict requirements on verification, disclosure, and accountability.

Core Obligations

The regulation imposes four principal obligations:

  • Lawyers who use AI remain subject to duties of honesty, responsibility to the court, professional standards, and legal ethics, including the duty to assess the appropriateness of the AI tool for the work.
  • Parties and lawyers must verify the accuracy and completeness of all facts, legal provisions, and citations in AI-generated content before submission.
  • Parties and lawyers must disclose to the court any AI-generated content by clearly marking the beginning and end of the AI-generated portion with prescribed statements (see below). Additionally, a certification confirming the use of AI must be provided at the end of the pleading or document, stating that AI was used for certain portions and that the party has reviewed and certifies the accuracy of factual and legal content.
  • Parties and lawyers bear the same full legal and ethical responsibility for AI-generated content as they do for personally authored documents; they cannot evade responsibility or avoid liability by citing AI-related errors. Likewise, parties must ensure that any AI-generated content is truthful, accurate, and unbiased.

Prescribed Disclosure Language

Each instance of AI-generated content must be preceded by the statement “[The following content was prepared using artificial intelligence]” and must end with “[End of content prepared using artificial intelligence].”

In addition, any filing that includes AI-generated content must include the following certification at the end of the document: “Certain portions of this [type of document] were prepared using artificial intelligence. I have reviewed and certify the accuracy of the facts and the law prior to submission to the court.”

Enforcement and Compliance Considerations

Noncompliance may be reported by a court officer or judge to superiors for further orders and may constitute disorderly conduct within court precincts under the Civil Procedure Code. In practical terms, counsel should anticipate potential adverse procedural measures, reputational consequences, and other court-ordered remedies for violations.

It is important for lawyers to implement AI-use protocols that align with the regulation’s requirements. This includes selecting AI tools solely as aids to human drafting, ensuring that every AI-generated output undergoes thorough human review for accuracy of facts, laws, and citations, inserting the exact disclosure statements around each AI-generated section, and adding the mandated end-of-document certification.

Lawyers must also apply litigation quality controls—such as primary-source verification, adversarial checks for hallucinations or bias, and chronological and citation audits—before filing. For mixed-origin documents, lawyers must maintain internal versions that identify which sections are AI-assisted to avoid disclosure gaps.

Finally, firms must update professional responsibility guidance and training to reinforce that lawyers remain wholly accountable for AI-assisted content.

Key Takeaways

The Civil Court’s regulation recognizes the legitimate role of AI in modern litigation while requiring human oversight, explicit transparency, and uncompromised professional responsibility. Legal practitioners and parties may continue leveraging AI’s efficiencies, provided they embed rigorous review processes and the mandated disclosures into the filing workflows.

The regulation is also the latest in a broader effort by the Thai courts to address the implications of AI use across the judiciary. Aside from the regulation, the president of the Supreme Court also issued guidance in September 2025 promoting ethical and cautious use of AI technologies in court operations.

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