Regeneron Pharm., Inc. v. U.S. Dep’t of Health and Human Servs. — Dec. 2020 (PDF) CMS REGULATION PROMULGATION/ PHARMACEUTICAL PRICING Regeneron Pharm., Inc. v. U.S. Dep’t of Health and Human Servs. No. 20-CV-10488 (KMK) (S.D.N.Y. Dec. 30, 2020)