Paxton AI is an AI-powered legal assistant that helps lawyers with legal research, document drafting, and large-scale document analysis. The platform provides real-time updates on US laws and court rulings, automated drafting, mass document review, a confidence indicator, and an AI Citator tool to verify citations, and the company reports a 94% non-hallucination rate. Its customers range from solo practitioners to several of the nation's largest 20 law firms. Founded by Tanguy Chau and headquartered in Oregon, Paxton AI raised a $22M Series A in January 2025 led by Unusual Ventures, with participation from 25Madison, WVV Capital, and Kyber Knight, bringing total funding to $28M after rapid 14x MRR growth.