March 31, 2026
A California federal judge has ordered that a case brought by Reddit Inc. claiming Anthropic PBC improperly gathered user content to train its large language models be sent back to state court, finding that each of Reddit's allegations have extra elements that defeat federal preemption.
September 17, 2025
Artificial intelligence startup Anthropic has asked a California federal judge to keep Reddit's claims that user content is used to train large language models in federal court, saying that at least one of Reddit's claims are preempted by the Copyright Act and effectively arise from federal law.