Daily legal AI news

Legal AI news Thursday, October 15, 2026

8 stories on AI in courts, ethics rules, regulation and legal software, each in a sentence or two with a link to the original source.

Top story

California widens AI transparency law to all public chatbots

California enacted Senate Bill 1000 on Wednesday, amending the AI Transparency Act to cover every generative AI provider with a publicly accessible system in the state, dropping the one-million monthly-user threshold.

Source: California Legislature bill status (opens in a new tab)

Top story

Thomson Reuters rolls out cross-border CoCounsel research

Thomson Reuters launched a Multinational Profile for CoCounsel Legal that it says researches across more than 100 countries and territories in one workflow.

Source: Thomson Reuters via PR Newswire (opens in a new tab)

Courts & ethics

Class action accuses OpenAI of taking children's chat data

Doe v. OpenAI Foundation, No. 3:26-cv-11781 (N.D. Cal., filed Oct. 13), alleges ChatGPT collected minors' data without effective parental consent and used it in training.

Source: Bloomberg Law (opens in a new tab)

Briefs

Anthropic executive says open-weight AI models carry more security risk

Anthropic's Guillaume Princen said open-weight models carry more cybersecurity risk "by definition" once public weights leave the developer's control and safeguards can be stripped.

Source: Business Standard (opens in a new tab)

Briefs

More OpenAI suits possible

Attorneys general who sued OpenAI Wednesday said more states may follow with similar ChatGPT safety cases.

Source: Bloomberg Law (opens in a new tab)

Briefs

UK bench keeps humans in charge

England and Wales judiciary guidance still treats AI as support only: it cannot replace judicial reasoning, and new pilots need centralized approval.

Source: Courts and Tribunals Judiciary (opens in a new tab)

Summaries are written by our team from the linked sources. They are news, not legal advice.