← Patent-cliff monitor small molecule FILSUVEZ BIRCH TRITERPENES
Loss of exclusivity January 2039 latest FDA-listed patent expiry
Company CHIESI FARMACEUTICI SPA
Drug detail Brand name FILSUVEZ Active ingredient BIRCH TRITERPENES Strength 10% Dosage form GEL Route TOPICAL Modality Small molecule FDA approval December 2023 Marketing status RX
Listed patents Patent Expires Type 11266660 January 2039 use U-3811 12268695 January 2039 use U-3811 11083733 January 2039 product 9827214 November 2030 use U-3811 9352041 November 2030 use U-3811 8828444 June 2027 product
Regulatory exclusivity Code Expires ODE-460 December 2030 NCE December 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.