CliffBio
small molecule

ZOLINZA

VORINOSTAT

Loss of exclusivityMarch 2028latest FDA-listed patent expiry
CompanyMERCK SHARP AND DOHME LLC A SUB OF MERCK AND CO INC

Drug detail

Brand nameZOLINZA
Active ingredientVORINOSTAT
Strength100MG
Dosage formCAPSULE
RouteORAL
ModalitySmall molecule
FDA approvalOctober 2006
Marketing statusRX

Listed patents

PatentExpiresType
8450372March 2028use U-892
7456219March 2027substance
8093295May 2026product

More from MERCK SHARP AND DOHME LLC A SUB OF MERCK AND CO INC

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.

ZOLINZA patent cliff — loss of exclusivity March 2028 | CliffBio