Key point: California’s expansion of its antitrust law — targeting algorithmic pricing and lowering the bar for litigation — signals a major shift in how companies must approach algorithmic pricing tools and compliance.

On October 6, 2025, Governor Gavin Newsom signed into law two significant amendments to California’s Cartwright Act: AB 325 and SB 763. These amendments to the Cartwright Act are the most significant updates to the law in recent years. AB 325 addresses algorithmic price-fixing by prohibiting the use or distribution of pricing algorithms among two or more entities to coordinate prices or commercial terms. SB 763 substantially increases corporate and individual criminal fines for violations. The new laws take effect on January 1, 2026.