Regeneron Pharmaceuticals is a leading biotechnology company that invents life-transforming medicines for people with serious diseases. Sanofi is dedicated to supporting people through their health challenges. We are a global biopharmaceutical company focused on human health. Since 2007, Sanofi & Regeneron have collaborated to develop & commercialize fully human monoclonal antibodies utilizing proprietary technologies.
1 Rockwood Rd
Sleepy Hollow, New York 10591