House Judiciary subcommittee debates federal preemption of state AI laws

At a House Judiciary subcommittee hearing on Sept. 18, 2025, members and witnesses debated whether Congress should preempt state laws regulating artificial intelligence, with arguments centering on national security and a single national market versus states—role as laboratories of consumer protection.

The hearing featured testimony from Dr. David Bray, Kevin Frazier, Adam Thayer, and Professor Neil Richards and included repeated references from members to recent state bills such as California's SB 53 and AB 1046 and to families who have brought lawsuits alleging harms from AI chatbots.

The question at the center of the hearing was whether divergent state rules would create a —patchwork— that unduly burdens AI development and market deployment, or whether preemption would sweep away important state protections and common-law remedies. "Training frontier AI models... places regulation of training frontier AI models squarely in the authority of the national government," Representative Johnson quoted from witness testimony about the federal role in development. Dr. David Bray argued for a "light-touch policy framework" that distinguishes among AI methods and recommends updating domain-specific laws rather than imposing sweeping new rules.

Witnesses urging federal…