In short
On October 6, 2025, Governor Gavin Newsom introduced that California enacted a sequence of legal guidelines that included an modification to California’s antitrust statute, the Cartwright Act. He declared that the sequence of bipartisan laws “additional protects households by creating stronger client protections and rising affordability.” Particularly, the antitrust modification prohibits the use or distribution of “frequent pricing algorithms” that depend on competitor knowledge or facilitate coordinated pricing. Two days later, Governor Newsom signed a second invoice1 into legislation dramatically rising penalties for Cartwright Act violations—elevating company prison fines, particular person prison fines, and giving courts discretion to use civil penalties for misconduct.
- California’s amended antitrust statute options elevated prison penalties and civil fines, highlighting the state’s efforts to invigorate antitrust enforcement and a willingness to hunt greater penalties in forthcoming Cartwright circumstances involving collusion facilitated by pricing algorithms.
- California has been profitable at bringing antitrust circumstances underneath the Cartwright Act as separate violations from the federal Sherman Act. These amendments proceed to emphasise the significance of state-specific compliance measures for firms that function in California and take part in Californian commerce.
- Firms ought to reassess their use of pricing software program to find out whether or not it depends on opponents’ knowledge when recommending or setting pricing or different industrial phrases.
- Company compliance insurance policies and coaching supplies must be up to date to replicate the elevated penalties for California State antitrust violations, which now could embrace using or creating pricing algorithms primarily based on opponents’ knowledge, in addition to coercing others to undertake algorithm-recommended pricing or industrial phrases.
This week, Governor Newsom signed into legislation two payments – AB 3252 and SB 7633 – amending the state’s major antitrust legislation, the Cartwright Act. AB 325 is meant “to supply readability within the Cartwright Act’s software to algorithmic collusion,” which can be utilized to facilitate tacit collusion with out specific agreements to repair costs.
AB 325 amends the Cartwright Act by explicitly prohibiting the use or distribution of a typical pricing algorithm when it’s used to coordinate costs or industrial phrases amongst opponents. A “frequent pricing algorithm” is outlined broadly to incorporate “any methodology, together with a pc, software program, or different know-how, utilized by two or extra individuals, that makes use of competitor knowledge to suggest, align, stabilize, set, or in any other case affect a worth or industrial time period.” “Worth” consists of not solely consumer-facing pricing, but additionally worker or impartial contractor compensation. The laws targets each the builders of such algorithms and the companies that knowingly use them to have interaction in collusion.
Moreover, AB 325 prohibits pressuring one other occasion to undertake an algorithm-recommended worth or different industrial time period, together with the extent of service of output, for a similar or comparable services or products.
As amended, underneath the Cartwright Act, plaintiffs additionally not have to allege information that exclude the potential of impartial motion; as a substitute, it’s enough for plaintiffs to current believable allegations of a contract, mixture, or conspiracy to repair costs or industrial phrases utilizing a typical pricing algorithm. This facet of the modification could induce a rise in personal litigation alleging collusion by way of the usage of frequent pricing algorithms throughout industries.
The second of the 2 payments, SB 763, dramatically will increase the utmost penalties which may be imposed for Cartwright Act violations. In reference to the Invoice, California Legal professional Normal Rob Bonta launched a press release noting that “too many rich companies see penalties for breaking the legislation as merely the price of doing enterprise. SB 763 would sharpen the tooth of a century-old legislation.”4
The modifications to the prison and civil penalties embrace:
- Company fines: Elevated from $1 million to $6 million per violation.
- Particular person fines: Raised from $250,000 to $1 million.
- Civil penalties: As much as $1 million per violation, primarily based on severity and persistence.
Collectively these amendments underscore the state’s efforts to prioritize its antitrust and unfair competitors legislation enforcement. These strikes mirror a rising state-level development to manage algorithmic pricing and strengthen antitrust enforcement. Notably, New York has enacted a legislation requiring disclosure of algorithmic pricing primarily based on private knowledge, whereas Colorado, Massachusetts, Ohio, Illinois, Hawaii, Maine, and Vermont have proposed their very own legal guidelines taking intention at numerous makes use of and types of algorithmic pricing.
With respect to California legislation, purchasers ought to acknowledge that each California State Courts and federal district courts have acknowledged the extraterritorial attain of the Cartwright Act, which means Carwright Act claims might be introduced towards firms headquartered or doing enterprise outdoors of California so long as there’s a enough nexus to the state. In earlier interpretations of the Cartwright Act, the Ninth Circuit has said that the Cartwright Act might be lawfully utilized the place greater than a “de minimis” quantity of the defendant’s alleged conspiratorial exercise befell in California.5 Particularly, purchasers must be conscious that having places of work in California, coming into into industrial agreements in California, or having staff in California which are linked to the usage of pricing algorithms could create a enough nexus underneath the brand new amendments to maintain a Cartwright Act declare.
1 Invoice Textual content – SB-763 Conspiracy towards commerce: punishment.
2 A.B. 325, 2025–2026 Leg., Reg. Sess. (Cal. 2025) (enacted as Chapter 338, Statutes of 2025), https://sjud.senate.ca.gov/system/recordsdata/2025-06/ab-325-aguiar-curry-sjud-analysis.pdf.
3 S.B. 763, 2025–2026 Leg., Reg. Sess. (Cal. 2025) (enacted as Chapter 426, Statutes of 2025), https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260SB763.]
4 Legal professional Normal Bonta, Senator Hurtado Unveil Invoice to Sharpen California’s Antitrust Legislation | State of California – Division of Justice – Workplace of the Legal professional Normal
5 AT&T Mobility LLC v. AU Optronics Corp., 707 F.3d 1106, at 1113 (ninth Cir. 2013).
In short
On October 6, 2025, Governor Gavin Newsom introduced that California enacted a sequence of legal guidelines that included an modification to California’s antitrust statute, the Cartwright Act. He declared that the sequence of bipartisan laws “additional protects households by creating stronger client protections and rising affordability.” Particularly, the antitrust modification prohibits the use or distribution of “frequent pricing algorithms” that depend on competitor knowledge or facilitate coordinated pricing. Two days later, Governor Newsom signed a second invoice1 into legislation dramatically rising penalties for Cartwright Act violations—elevating company prison fines, particular person prison fines, and giving courts discretion to use civil penalties for misconduct.
- California’s amended antitrust statute options elevated prison penalties and civil fines, highlighting the state’s efforts to invigorate antitrust enforcement and a willingness to hunt greater penalties in forthcoming Cartwright circumstances involving collusion facilitated by pricing algorithms.
- California has been profitable at bringing antitrust circumstances underneath the Cartwright Act as separate violations from the federal Sherman Act. These amendments proceed to emphasise the significance of state-specific compliance measures for firms that function in California and take part in Californian commerce.
- Firms ought to reassess their use of pricing software program to find out whether or not it depends on opponents’ knowledge when recommending or setting pricing or different industrial phrases.
- Company compliance insurance policies and coaching supplies must be up to date to replicate the elevated penalties for California State antitrust violations, which now could embrace using or creating pricing algorithms primarily based on opponents’ knowledge, in addition to coercing others to undertake algorithm-recommended pricing or industrial phrases.
This week, Governor Newsom signed into legislation two payments – AB 3252 and SB 7633 – amending the state’s major antitrust legislation, the Cartwright Act. AB 325 is meant “to supply readability within the Cartwright Act’s software to algorithmic collusion,” which can be utilized to facilitate tacit collusion with out specific agreements to repair costs.
AB 325 amends the Cartwright Act by explicitly prohibiting the use or distribution of a typical pricing algorithm when it’s used to coordinate costs or industrial phrases amongst opponents. A “frequent pricing algorithm” is outlined broadly to incorporate “any methodology, together with a pc, software program, or different know-how, utilized by two or extra individuals, that makes use of competitor knowledge to suggest, align, stabilize, set, or in any other case affect a worth or industrial time period.” “Worth” consists of not solely consumer-facing pricing, but additionally worker or impartial contractor compensation. The laws targets each the builders of such algorithms and the companies that knowingly use them to have interaction in collusion.
Moreover, AB 325 prohibits pressuring one other occasion to undertake an algorithm-recommended worth or different industrial time period, together with the extent of service of output, for a similar or comparable services or products.
As amended, underneath the Cartwright Act, plaintiffs additionally not have to allege information that exclude the potential of impartial motion; as a substitute, it’s enough for plaintiffs to current believable allegations of a contract, mixture, or conspiracy to repair costs or industrial phrases utilizing a typical pricing algorithm. This facet of the modification could induce a rise in personal litigation alleging collusion by way of the usage of frequent pricing algorithms throughout industries.
The second of the 2 payments, SB 763, dramatically will increase the utmost penalties which may be imposed for Cartwright Act violations. In reference to the Invoice, California Legal professional Normal Rob Bonta launched a press release noting that “too many rich companies see penalties for breaking the legislation as merely the price of doing enterprise. SB 763 would sharpen the tooth of a century-old legislation.”4
The modifications to the prison and civil penalties embrace:
- Company fines: Elevated from $1 million to $6 million per violation.
- Particular person fines: Raised from $250,000 to $1 million.
- Civil penalties: As much as $1 million per violation, primarily based on severity and persistence.
Collectively these amendments underscore the state’s efforts to prioritize its antitrust and unfair competitors legislation enforcement. These strikes mirror a rising state-level development to manage algorithmic pricing and strengthen antitrust enforcement. Notably, New York has enacted a legislation requiring disclosure of algorithmic pricing primarily based on private knowledge, whereas Colorado, Massachusetts, Ohio, Illinois, Hawaii, Maine, and Vermont have proposed their very own legal guidelines taking intention at numerous makes use of and types of algorithmic pricing.
With respect to California legislation, purchasers ought to acknowledge that each California State Courts and federal district courts have acknowledged the extraterritorial attain of the Cartwright Act, which means Carwright Act claims might be introduced towards firms headquartered or doing enterprise outdoors of California so long as there’s a enough nexus to the state. In earlier interpretations of the Cartwright Act, the Ninth Circuit has said that the Cartwright Act might be lawfully utilized the place greater than a “de minimis” quantity of the defendant’s alleged conspiratorial exercise befell in California.5 Particularly, purchasers must be conscious that having places of work in California, coming into into industrial agreements in California, or having staff in California which are linked to the usage of pricing algorithms could create a enough nexus underneath the brand new amendments to maintain a Cartwright Act declare.
1 Invoice Textual content – SB-763 Conspiracy towards commerce: punishment.
2 A.B. 325, 2025–2026 Leg., Reg. Sess. (Cal. 2025) (enacted as Chapter 338, Statutes of 2025), https://sjud.senate.ca.gov/system/recordsdata/2025-06/ab-325-aguiar-curry-sjud-analysis.pdf.
3 S.B. 763, 2025–2026 Leg., Reg. Sess. (Cal. 2025) (enacted as Chapter 426, Statutes of 2025), https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260SB763.]
4 Legal professional Normal Bonta, Senator Hurtado Unveil Invoice to Sharpen California’s Antitrust Legislation | State of California – Division of Justice – Workplace of the Legal professional Normal
5 AT&T Mobility LLC v. AU Optronics Corp., 707 F.3d 1106, at 1113 (ninth Cir. 2013).


















