Generative artificial intelligence: training data: copyrighted materials.

California AB412 aims to regulate the use of copyrighted materials in the training of generative artificial intelligence. The bill establishes guidelines to ensure that AI developers consider copyright issues when using data for training their models. This is intended to protect the rights of content creators while fostering innovation in AI technology.

CA AB412 is a house bill in the California 2025-2026 Regular Session, sponsored by Rebecca Bauer-Kahan (D), currently “Engrossed” since May 12, 2025.

We track 5,060 California bills this session, 44 of them sponsored by Rebecca Bauer-Kahan.

The key recorded vote (Senate, August 3, 2026) ended 7–0 and passed.

Supporters of AB412 would argue that this legislation is a crucial step in protecting the intellectual property rights of artists and creators in the age of artificial intelligence. By setting clear guidelines for the use of copyrighted materials, the bill promotes ethical AI development and encourages a fairer digital economy.

Critics of AB412 might contend that the bill could stifle innovation and limit the capabilities of generative AI technologies by imposing restrictive regulations on data usage. They may argue that such limitations could hinder California's position as a leader in technology and creativity, ultimately slowing down advancements in AI.

Source: LegiScan roll call vote data.