Open Markets Institute Joins Amicus Brief Defending California AI Transparency Law in ...

The Open Markets Institute has joined an amicus brief in X.AI LLC v. Bonta urging the Ninth Circuit to uphold California's law requiring AI companies to disclose training data. The case represents a first appellate test of whether states can mandate transparency from generative AI developers, with implications for future AI regulation across the United States.

This Wire brief sits within Fusion42's coverage of AI Frontier Models and Generative AI. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.