CliffBio
small molecule

KORSUVA

DIFELIKEFALIN ACETATE

Loss of exclusivityNovember 2032latest FDA-listed patent expiry
CompanyVIFOR (INTERNATIONAL) INC

Drug detail

Brand nameKORSUVA
Active ingredientDIFELIKEFALIN ACETATE
StrengthEQ 0.065MG BASE/1.3ML (EQ 0.05MG BASE/ML)
Dosage formSOLUTION
RouteINTRAVENOUS
ModalitySmall molecule
FDA approvalAugust 2021
Marketing statusRX

Listed patents

PatentExpiresType
7402564November 2032substance, product
10138270November 2027use U-3204
10017536November 2027substance
9359399November 2027use U-3204
9334305November 2027use U-3204
8536131November 2027substance, product
10793596November 2027substance, product
8236766November 2027use U-3204
8217007November 2027use U-3204
7727963November 2027substance, product
7713937November 2027substance, product
8486894November 2027use U-3204

Regulatory exclusivity

CodeExpires
NCEAugust 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.

KORSUVA patent cliff — loss of exclusivity November 2032 | CliffBio