Paxton, a cutting-edge AI platform transforming the legal industry, today announced a $22M Series A funding round led by Unusual Ventures, with participation from Kyber Knight, 25Madison, and WVV Capital. This new funding brings Paxton’s total raised to $28M, following a $6M seed round in September 2023.

Paxton is designed to assist legal professionals by automating complex and time-consuming tasks, enabling legal teams to focus on strategic, high-value work. Paxton's uniquely comprehensive platform enables users to conduct primary research across key sources ranging from laws and regulations, case law, and more, draft complex legal documents, and analyze large volumes of legal documents in a manner of seconds. Paxton also provides real-time updates on U.S. laws and court rulings by scanning millions of sources daily, while its confidence indicator and AI Citator features offer reliability insights and case law analysis. Every output is backed by verifiable sources, ensuring accuracy and trust.

Paxton sets a new standard in legal AI with a 94% non-hallucination rate on the Stanford Legal Hallucination Benchmark and consistent accuracy in internal tests. By delivering transparent, authoritative responses, Paxton empowers legal professionals with reliable solutions for tasks ranging from multi-state legal research to real-time updates on laws and rulings, ensuring every output is backed by trusted sources.

“Our mission is to make advanced legal tools accessible to firms of every size, leveling the playing field across the industry,” said Tanguy Chau, Ph.D., CEO and Co-Founder of Paxton. “With the support of our investors, we’re excited to accelerate innovation and continue to deliver solutions that enhance efficiency, accuracy, and confidence for legal professionals.”

Paxton uniquely empowers solo practitioners and small firms with a self-serve option and by providing essential research and drafting support without requiring extensive paralegal resources. Meanwhile, large law firms, including several of the 20 largest firms in the US, leverage Paxton to expedite legal drafting, due diligence, and compliance processes.

With hundreds of thousands of queries completed on the platform, Paxton has seen a 14x growth in MRR in the last nine months, driven by an 8x increase in new customer growth during the same period.

“We met the world-class founders of Paxton when they were just getting going”, said John Vrionis, Managing Partner and Founder of Unusual Ventures. “We doubled down and led this financing because we've seen relentless focus and tremendous growth. The Paxton solution is clearly the leading AI-first legal solution for small and mid-sized firms”.