← Patent-cliff monitor small molecule DIFICID FIDAXOMICIN
Loss of exclusivity January 2028 latest FDA-listed patent expiry
Drug detail Brand name DIFICID Active ingredient FIDAXOMICIN Strength 200MG Dosage form TABLET Route ORAL Modality Small molecule FDA approval May 2011 Marketing status RX
Listed patents Patent Expires Type 8859510*PED January 2028 — 7378508*PED January 2028 — 7863249*PED January 2028 — 7906489*PED September 2027 — 7863249 July 2027 substance, product 8859510 July 2027 use U-2741 7378508 July 2027 substance, product 7906489 March 2027 use U-2741
Regulatory exclusivity Code Expires ODE-367 January 2027
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.