Yseop is a French-founded AI software company that automates the creation of regulatory and clinical documents for life sciences and pharmaceutical companies. Its flagship product, Yseop Copilot, combines symbolic AI, machine learning and LLM techniques to produce submission-ready documents such as clinical study reports, patient narratives and CMC submissions, with source-level traceability, audit trails and human review before approval. The platform also integrates with Microsoft Word and Veeva Vault.

Yseop states that its technology is deployed across leading pharmaceutical organizations, including Eli Lilly and Novartis, and that it has been involved in more than 150 clinical trials. The company reports that its AI generated over 10,000 reports in 2023. It was named to TIME's Best Inventions of 2025 in the Medical & Healthcare category and has received several AI awards.

Yseop operates offices in Paris (headquarters and client-facing teams), Lyon (R&D hub for its NLG technology) and New York (US expansion). Its investors include Eli Lilly, NextStage AM, Wille Finance, Novartis (via dRx Capital) and Claret Capital Partners.