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California

California has long played a leading role in shaping U.S. privacy, technology, and AI regulation. The “California Effect” describes how the state’s laws and regulatory standards can influence business practices and policymaking far beyond its borders. Explore the CCPA and CPRA, CPPA regulations and enforcement, consumer rights, ADMT, cybersecurity, risk assessments, data brokers, children’s privacy, biometrics, AI governance, and other developments driving U.S. privacy and AI policy.

California’s AI Training Data Transparency Law: What Generative AI Developers Must Disclose

California’s AI Training Data Transparency Law requires generative AI developers to disclose key information about training datasets, including their sources, contents, use of personal information, licensing, modifications, collection periods, and synthetic data.

In the Matter of ROR Partners, LLC

A practical analysis of CalPrivacy's ROR Partners decision, explaining why custom audiences, inferred profiles, and behavioral segments can constitute the sale of personal information and trigger California's data broker registration requirements.

California Defines AI: AB 2885 and Its Impact

California’s AB 2885 establishes a technology-neutral definition of artificial intelligence focused on AI systems, autonomy, inference, and outputs. This article explains the definition, how AI systems differ from AI models, where the definition applies, and what it means for AI governance.

California’s Constitutional right to privacy

California's constitutional right to privacy is one of the broadest in the United States. This article explores its origins, scope, key court decisions, threshold legal tests, limits, comparison with EU privacy law, and practical guidance for analyzing constitutional privacy claims.

Privacy on the California 2020 Ballot: Will CPRA prevail on November 3?

California voters faced a pivotal privacy decision in 2020. This article examines the proposed California Privacy Rights Act (CPRA), its sweeping amendments to the CCPA, the creation of the California Privacy Protection Agency, and what Proposition 24 meant for the future of U.S. privacy law.

California v. Delta Air Lines: Why a Website Privacy Policy May Not Cover a Mobile App

California’s lawsuit against Delta Airlines shows why mobile apps need privacy policies that clearly address their data practices—and how federal preemption can limit state enforcement even when an app allegedly fails to comply with CalOPPA.

Survey: half of companies won’t be ready for CCPA

Explore early CCPA readiness through a PwC executive survey examining business preparedness, compliance gaps, enforcement risks, and the operational challenges organizations faced before California's privacy law took effect.

Can Laboratories of Democracy Innovate the Way to Privacy Protection?

Written months before California voters qualified the initiative that became the CCPA, Joanne McNabb's prescient essay anticipated the debates that would reshape U.S. privacy law. Today, it offers a remarkable window into the thinking that helped launch the modern privacy movement.