Policy Tracker

Artificial intelligence: defenses.

CA · Legislation · 2025 · AB316

Maggy Krell(D)
Legislation
Passed (1 Chamber)

Record updated Oct 13, 2025

Summary

An act to add Section 1714.46 to the Civil Code, relating to civil actions.

Official SourceLegiScan

Timeline

2025-10-13

Approved by the Governor.

2025-10-13

Chaptered by Secretary of State - Chapter 672, Statutes of 2025.

2025-09-16

Enrolled and presented to the Governor at 2 p.m.

2025-09-09

A

Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 78. Noes 0. Page 3102.).

2025-09-08

S

Read third time. Passed. Ordered to the Assembly. (Ayes 38. Noes 0. Page 2621.).

2025-09-08

A

In Assembly. Concurrence in Senate amendments pending.

2025-09-03

S

Read second time. Ordered to third reading.

2025-09-02

S

Read third time and amended. Ordered to second reading.

Bill Text

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Assembly Bill No. 316
CHAPTER 672

An act to add Section 1714.46 to the Civil Code, relating to civil actions.

[ Approved by Governor  October 13, 2025. Filed with Secretary of State  October 13, 2025. ]

LEGISLATIVE COUNSEL'S DIGEST


AB 316, Krell. Artificial intelligence: defenses.
Existing law provides that everyone is responsible not only for the result of their willful acts, but also for an injury occasioned to another by their want of ordinary care or skill in the management of their property or person.
Existing law requires the developer of a generative artificial intelligence system or service that is released on or after January 1, 2022, and made publicly available to Californians for use, to post on the developer's internet website documentation regarding the data used by the developer to train the generative artificial intelligence system or service. Existing law defines “artificial intelligence” for these purposes.
This bill would prohibit a defendant who developed, modified, or used artificial intelligence, as defined, from asserting a defense that the artificial intelligence autonomously caused the harm to the plaintiff.
Vote: MAJORITY   Appropriation: NO   Fiscal Committee: NO   Local Program: NO  

The people of the State of California do enact as follows:


SECTION 1.

 Section 1714.46 is added to the Civil Code, to read:

1714.46.
 (a) “Artificial intelligence” means an engineered or machine-based system that varies in its level of autonomy and that can, for explicit or implicit objectives, infer from the input it receives how to generate outputs that can influence physical or virtual environments.
(b) In an action against a defendant who developed, modified, or used artificial intelligence that is alleged to have caused a harm to the plaintiff, it shall not be a defense, and the defendant may not assert, that the artificial intelligence autonomously caused the harm to the plaintiff.
(c) This section does not limit or preclude a defendant from presenting either of the following:
(1) Any other affirmative defense, including evidence relevant to causation or foreseeability.
(2) Other evidence relevant to the comparative fault of any other person or entity.

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