SB 53
  • Introduced
    Jan 07, 2025
  • Passed Senate
    May 28, 2025
  • Passed Assembly
    Sep 12, 2025
  • Signed into Law
    Sep 29, 2025
SB 53
California Senate Bill
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Artificial intelligence models: large developers.
Last Action See all actions
legislature • Sep 29, 2025: Chaptered by Secretary of State. Chapter 138, Statutes of 2025.
Latest Bill Text See all bill texts
09/29/25 - Chaptered

Summary/Bill Text

Comments on SB 53

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Votes
Mar 25, 2025, Senate
Do pass as amended, but first amend, and re-refer to the Committee on [Judiciary]
YES: 13
NO: 0
OTHER: 2
YES: 13

NO: 0

    NOT VOTING: 2

    Sources
    Apr 08, 2025, Senate
    Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar
    YES: 13
    NO: 0
    OTHER: 0
    YES: 13

    NO: 0

      OTHER: 0
      Sources
      Apr 21, 2025, Senate
      Placed on suspense file
      YES: 6
      NO: 0
      OTHER: 1
      YES: 6

      NO: 0

        NOT VOTING: 1

        Sources
        May 23, 2025, Senate
        Do pass as amended
        YES: 6
        NO: 0
        OTHER: 1
        YES: 6

        NO: 0

          NOT VOTING: 1

          Sources
          May 28, 2025, Senate
          3rd Reading
          YES: 37
          NO: 0
          OTHER: 3
          YES: 37

          NO: 0

            NOT VOTING: 3

            Sources
            Jul 01, 2025, Assembly
            Do pass and be re-referred to the Committee on [Privacy and Consumer Protection]
            YES: 12
            NO: 0
            OTHER: 0
            YES: 12

            NO: 0

              OTHER: 0
              Sources
              Jul 16, 2025, Assembly
              Do pass as amended and be re-referred to the Committee on [Appropriations]
              YES: 10
              NO: 0
              OTHER: 5
              YES: 10

              NO: 0

                NOT VOTING: 5

                Sources
                Aug 29, 2025, Assembly
                Do pass as amended.
                YES: 11
                NO: 1
                OTHER: 3
                YES: 11

                NO: 1

                NOT VOTING: 3

                Sources
                Sep 11, 2025, Assembly
                Do pass.
                YES: 12
                NO: 1
                OTHER: 2
                YES: 12

                NO: 1

                NOT VOTING: 2

                Sources
                Sep 13, 2025, Assembly
                SB 53 Wiener Senate Third Reading By BAUER-KAHAN
                YES: 59
                NO: 7
                OTHER: 14
                YES: 59

                NO: 7

                NOT VOTING: 14

                Sources
                Sep 13, 2025, Senate
                Unfinished Business SB53 Wiener et al. Concurrence
                YES: 29
                NO: 8
                OTHER: 3
                YES: 29

                NO: 8

                NOT VOTING: 3

                Sources
                Actions
                • Sep 29, 2025 | legislature
                  • Approved by the Governor.
                  • Chaptered by Secretary of State. Chapter 138, Statutes of 2025.
                • Sep 23, 2025 | legislature
                  • Enrolled and presented to the Governor at 2 p.m.
                • Sep 13, 2025 | Senate
                  • In Senate. Concurrence in Assembly amendments pending.
                  • Assembly amendments concurred in. (Ayes 29. Noes 8.) Ordered to engrossing and enrolling.
                • Sep 12, 2025 | Assembly
                  • Read second time. Ordered to third reading.
                  • Assembly Rule 63 suspended.
                  • Read third time. Passed. (Ayes 59. Noes 7. Page 3432.) Ordered to the Senate.
                • Sep 11, 2025 | Assembly
                  • From committee: Do pass. (Ayes 12. Noes 1.) (September 11).
                • Sep 09, 2025 | Assembly
                  • Joint Rule 62(a) suspended.
                • Sep 08, 2025 | Assembly
                  • Re-referred to Com. on P. & C.P. pursuant to Assembly Rule 77.2.
                • Sep 05, 2025 | Assembly
                  • Assembly Rule 69(b)(1) suspended.
                  • Read third time and amended.
                  • Ordered to third reading.
                • Sep 03, 2025 | Assembly
                  • Read second time. Ordered to third reading.
                • Sep 02, 2025 | Assembly
                  • Read second time and amended. Ordered to second reading.
                • Aug 29, 2025 | Assembly
                  • From committee: Do pass as amended. (Ayes 11. Noes 1.) (August 29).
                • Aug 20, 2025 | Assembly
                  • August 20 set for first hearing. Placed on APPR. suspense file.
                • Jul 17, 2025 | Assembly
                  • Read second time and amended. Re-referred to Com. on APPR.
                • Jul 16, 2025 | Assembly
                  • From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 9. Noes 0.) (July 16).
                • Jul 08, 2025 | Assembly
                  • From committee with author's amendments. Read second time and amended. Re-referred to Com. on P. & C.P.
                • Jul 02, 2025 | Assembly
                  • From committee: Do pass and re-refer to Com. on P. & C.P. (Ayes 12. Noes 0.) (July 1). Re-referred to Com. on P. & C.P.
                • Jun 12, 2025 | Assembly
                  • Re-referred to Coms. on JUD. and P. & C.P. pursuant to Assembly Rule 96.
                • Jun 05, 2025 | Assembly
                  • Referred to Coms. on P. & C.P. and JUD.
                • May 28, 2025 | Assembly
                  • In Assembly. Read first time. Held at Desk.
                • May 28, 2025 | Senate
                  • Read third time. Passed. (Ayes 37. Noes 0. Page 1281.) Ordered to the Assembly.
                • May 27, 2025 | Senate
                  • Read second time. Ordered to third reading.
                • May 23, 2025 | Senate
                  • From committee: Do pass as amended. (Ayes 6. Noes 0. Page 1189.) (May 23).
                  • Read second time and amended. Ordered to second reading.
                • May 16, 2025 | Senate
                  • Set for hearing May 23.
                • Apr 21, 2025 | Senate
                  • April 21 hearing: Placed on APPR. suspense file.
                • Apr 10, 2025 | Senate
                  • Set for hearing April 21.
                • Apr 09, 2025 | Senate
                  • From committee: Do pass and re-refer to Com. on APPR. with recommendation: To consent calendar. (Ayes 13. Noes 0. Page 705.) (April 8). Re-referred to Com. on APPR.
                • Apr 01, 2025 | Senate
                  • Set for hearing April 8.
                • Mar 27, 2025 | Senate
                  • Read second time and amended. Re-referred to Com. on JUD.
                • Mar 26, 2025 | Senate
                  • From committee: Do pass as amended and re-refer to Com. on JUD. (Ayes 13. Noes 0. Page 530.) (March 25).
                • Mar 17, 2025 | Senate
                  • Set for hearing March 25.
                • Mar 12, 2025 | Senate
                  • Re-referred to Coms. on G.O. and JUD.
                • Feb 27, 2025 | Senate
                  • From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS.
                • Jan 29, 2025 | Senate
                  • Referred to Com. on RLS.
                • Jan 08, 2025 | Senate
                  • From printer. May be acted upon on or after February 7.
                • Jan 07, 2025 | Senate
                  • Introduced. Read first time. To Com. on RLS. for assignment. To print.
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