SB 53
Artificial intelligence models: large developers.
Became law · by Wiener · full text and history
Latest floor vote
Senate floor, 2025-09-13: (PASS), 29 ayes, 8 noes, 3 not voting · Unfinished Business SB53 Wiener et al. Concurrence
Aye (29): Aisha Wahab D, Akilah Weber Pierson D, Angelique Ashby D, Anna Caballero D, Benjamin Allen D, Bob Archuleta D, Caroline Menjivar D, Catherine Blakespear D, Christopher Cabaldon D, Dave Cortese D, Eloise Gómez Reyes D, Henry Stern D, Jerry McNerney D, Jesse Arreguín D, John Laird D, Josh Becker D, Laura Richardson D, Lola Smallwood-Cuevas D, Maria Elena Durazo D, Melissa Hurtado D, Mike McGuire D, Monique Limón D, Sabrina Cervantes D, Sasha Renée Pérez D, Scott Wiener D, Stephen Padilla D, Susan Rubio D, Thomas Umberg D, Timothy Grayson D
No (8): Brian Jones R, Kelly Seyarto R, Marie Alvarado-Gil R, Megan Dahle R, Roger Niello R, Rosilicie Ochoa Bogh R, Shannon Grove R, Tony Strickland R
Not voting (3): Lena Gonzalez D, Steven Choi R, Suzette Martinez Valladares R
Who lobbied on it
37 lobbyist employers, lobbying firms and others name SB 53 in their reports since 2025 (not their position). Linked: those who gave to two or more 2026 state candidates.
Anthropic PBC · GRUBHUB, INC. · Meta Platforms, Inc. · NOVARTIS SERVICES, INC · WALMART INC. · A16Z CAPITAL MANAGEMENT, LLC · AMERICAN INNOVATORS NETWORK · AUTODESK, INC. · Adobe · BOEING COMPANY, THE · BSA THE SOFTWARE ALLIANCE · CHAMBER OF PROGRESS · COMPUTER & COMMUNICATIONS INDUSTRY ASSOCIATION · CONSUMER TECHNOLOGY ASSOCIATION · DATA CENTER COALITION · DocuSign, Inc. · Dropbox, Inc. · ECONOMIC SECURITY PROJECT ACTION · ENCODE AI CORPORATION · GENENTECH, INC., A MEMBER OF THE ROCHE GROUP · INFORMATION TECHNOLOGY INDUSTRY COUNCIL · INTERNET.WORKS · International Business Machines Coporation (IBM) · MERIDIAN GOVERNANCE INC. · Microsoft Corporation · NORTHROP GRUMMAN SYSTEMS CORPORATION · OMIDYAR NETWORK · OpenAI OPCO, LLC · PRIVACY RIGHTS CLEARINGHOUSE · REST TECH ACTION · SECURE AI PROJECT · SILICON VALLEY LEADERSHIP GROUP · STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY · STRYKER · TECHEQUITY COLLABORATIVE · THOMSON REUTERS · Tech Oversight Project dba Tech Oversight California
Every recorded vote
| Date | Where | Result | Ayes | Noes |
|---|---|---|---|---|
| 2025-03-25 | Sen Governmental Organization Do pass as amended, but first amend, and re-refer to the Committee on [Judiciary] | (PASS) | 13 | 0 |
| 2025-04-08 | Sen Judiciary Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar | (PASS) | 13 | 0 |
| 2025-04-21 | Sen Appropriations Placed on suspense file | (PASS) | 6 | 0 |
| 2025-05-23 | Sen Appropriations Do pass as amended | (PASS) | 6 | 0 |
| 2025-05-28 | Senate floor Senate 3rd Reading SB53 Wiener | (PASS) | 37 | 0 |
| 2025-07-01 | Asm Judiciary Do pass and be re-referred to the Committee on [Privacy and Consumer Protection] | (PASS) | 12 | 0 |
| 2025-07-16 | Asm Privacy and Consumer Protection Do pass as amended and be re-referred to the Committee on [Appropriations] | (PASS) | 10 | 0 |
| 2025-08-29 | Asm Appropriations Do pass as amended. | (PASS) | 11 | 1 |
| 2025-09-11 | Asm Privacy and Consumer Protection Do pass. | (PASS) | 12 | 1 |
| 2025-09-12 | Assembly floor SB 53 Wiener Senate Third Reading By BAUER-KAHAN | (PASS) | 59 | 7 |
| 2025-09-13 | Senate floor Unfinished Business SB53 Wiener et al. Concurrence | (PASS) | 29 | 8 |