State Health AI Law Tracker/Maine
Maine LD 1727 · AI therapy / mental health chatbots · Effective
AI chatbot disclosure in consumer transactions
Effective September 24, 2025
What the law does
Maine LD 1727 (HP 1154), Public Law 2025 chapter 294, bars the use of AI chatbots in trade or commerce in a way that could mislead a consumer into thinking they are talking to a human, unless the consumer is clearly told otherwise. The disclosure rule took effect September 24, 2025. It reaches mental-health and companion chatbots sold to Maine consumers even though it is framed as a consumer-transparency law.
- State
- Maine
- Bill number
- LD 1727
- Topic
- AI therapy / mental health chatbots
- Status
- Effective
- Date enacted
- June 12, 2025
- Date effective
- September 24, 2025
- Applies to
- Vendors
Related companies
More AI laws in Maine
More AI therapy / mental health chatbots laws
Illinois · HB 1806
Wellness and Oversight for Psychological Resources Act
Nevada · AB 406
AI limits in mental and behavioral health care
Utah · HB 452
Artificial Intelligence Amendments (mental health chatbots)
California · SB 243
Companion chatbots
New York · S 3008 / A 3008
AI companion suicide-protocol and disclosure rules (FY2026 budget)
Colorado · HB 25-1139
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