Paxton AI is an all-in-one generative AI assistant built for lawyers. It handles legal research, document drafting, contract review, and mass document analysis across U.S. federal and state law, with a published 94% non-hallucination rate benchmarked against Stanford research. Founded in 2023 by Tanguy Chau and Michael Ulin, the company is based in Palo Alto and has raised $28M total, including a $22M Series A led by Unusual Ventures in January 2025.
Andrew Antos is the Czech-born Founder and CEO of Klarity, a San Francisco-based AI platform that automates document-intensive workflows for enterprise finance and accounting teams. Born in Brno one year before communism fell, he grew up in a family of scientists, studied law in Europe, then pivoted to entrepreneurship after Harvard Law School and an MIT startup course. He co-founded Klarity in 2017 with Nischal Nadhamuni, raised $90M+ from Y Combinator, Scale Venture Partners, Nat Friedman, and Daniel Gross, and counts DoorDash, Zoom, Cloudflare, and OpenAI among his customers. Klarity's AI platform achieves 82%+ pass-through rates on contract and invoice processing, reduces month-end close by 2-3 days, and automates up to 87% of manual finance work.
Harvey builds domain-specific AI for legal and professional services. Founded in 2022 by a former litigator and a former DeepMind researcher, the company sells AI agents and workflows that help lawyers draft, review, research and run due diligence. As of March 2026, it counts more than 100,000 lawyers and 1,300+ organizations as users and is valued at $11 billion.