← Patent-cliff monitor small molecule ZEJULA NIRAPARIB TOSYLATE
Loss of exclusivity March 2038 latest FDA-listed patent expiry
Drug detail Brand name ZEJULA Active ingredient NIRAPARIB TOSYLATE Strength EQ 100MG BASE Dosage form CAPSULE Route ORAL Modality Small molecule FDA approval March 2017 Marketing status DISCN
Listed patents Patent Expires Type 11673877 March 2038 product 11091459 March 2038 product 8859562 August 2031 use U-2655 8071623 March 2031 substance, product 8436185 April 2029 substance 8143241 August 2027 use U-2655 8071579 August 2027 use U-2655
Regulatory exclusivity Code Expires ODE-295 April 2027 ODE-277 October 2026
Source: FDA Orange Book, layered on the CliffBio company graph. Cliff dates are the latest FDA-listed patent expiry; estimates are projections, not legal advice.