Trump DOJ Backs xAI in Legal Challenge to Colorado AI Bias Law

The U.S. Department of Justice under President Donald Trump has intervened in a legal challenge against Colorado’s AI bias law, filing in support of Elon Musk’s artificial intelligence company xAI, according to Google News: AI Regulation.

The federal filing marks a significant escalation in the growing tension between state governments seeking to regulate AI systems and a federal administration that has broadly favored deregulation of the technology sector. The DOJ’s intervention signals that the Trump administration is willing to use federal legal authority to push back against state-level AI oversight efforts.

Colorado’s AI bias law, signed in 2024, was among the first comprehensive state laws targeting algorithmic discrimination. The statute imposes requirements on developers and deployers of high-risk AI systems, including obligations to assess and mitigate bias, provide consumer disclosures, and submit to regulatory oversight. Critics of the law have argued it creates an unworkable compliance burden that could stifle AI innovation.

xAI, which Musk founded in 2023 and which operates the Grok AI assistant, has positioned itself as a challenger to the law on grounds that state-by-state regulation creates a fragmented legal landscape for AI companies operating nationally. The DOJ’s support for that position suggests the federal government may seek to assert preemptive authority over AI regulation, potentially limiting states’ ability to impose their own rules.

The case carries implications well beyond Colorado. More than a dozen states have introduced or passed AI-focused legislation in 2025 and 2026, creating what industry groups have described as an emerging patchwork of conflicting requirements. A federal court ruling favoring xAI could undercut those efforts and shift the regulatory conversation decisively toward Washington.

The intervention also highlights the close alignment between the Trump administration and Musk’s business interests. Musk has maintained a prominent advisory role in the administration, raising questions from government ethics watchdogs about potential conflicts of interest when federal agencies take actions that benefit his companies.

xAI has grown rapidly since its founding, raising billions in venture capital and competing directly with OpenAI, Google, and Anthropic in the large language model market. The company’s willingness to mount a legal challenge to state AI regulation reflects a broader industry push to keep the regulatory environment favorable to rapid deployment of AI systems.

The case is expected to be closely watched as courts begin to define the boundaries of state authority over artificial intelligence.