Patent AI company Stilta raises $10.5 million, led by a16z

According to Stilta’s official press release, on May 19, 2026, Stilta—a litigation-focused, agent-style AI company—announced it had raised $10.5 million in funding, led by Andreessen Horowitz (a16z), with participation from founders and operators of Sana, Legora, OpenAI, Lovable, and Listen Labs, as well as Y Combinator. Founded in 2026 by four former members of McKinsey’s AI practice, Stilta’s AI platform performs reasoning and analysis across 180 million patents, 250 million scientific papers, and over one trillion web archives, helping enterprises conduct patent infringement evidence gathering, clear commercialization pathways, and uncover the value of patent portfolios. Since its launch in February this year, Stilta has signed contracts with companies including Roche, Alfa Laval, and Maersk, as well as three of the world’s top five intellectual property law firms.