small molecule

PAXLOVID (COPACKAGED)

NIRMATRELVIR; RITONAVIR

Loss of exclusivityOctober 2041latest FDA-listed patent expiry
CompanyPfizer →See this company's full patent-cliff portfolio

Drug detail

Brand namePAXLOVID (COPACKAGED)
Active ingredientNIRMATRELVIR; RITONAVIR
Strength150MG;100MG
Dosage formTABLET
RouteORAL
ModalitySmall molecule
FDA approvalMay 2023
Marketing statusRX

Listed patents

PatentExpiresType
11541034October 2041use U-3629
11351149August 2041substance, product

Regulatory exclusivity

CodeExpires
NCEMay 2028
D-195January 2028

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.