PIRFENIDONE

PIRFENIDONE · pharmadog

Patent cliff

source: FDA Orange Book

first barrier falls

Sep 22, 2026

77 days

Earliest of all listed patents + FDA exclusivities. Generic / biosimilar entry typically only becomes possible AFTER both patent and exclusivity barriers expire.

patents (67)

Mar 28, 2037formulationUS 10188637
Mar 28, 2037formulationUS 10188637
Mar 28, 2037formulationUS 10188637
Aug 30, 2033method-of-use (U-2045)US 8778947
Aug 30, 2033method-of-use (U-1613)US 8778947
Aug 30, 2033method-of-use (U-2045)US 8778947
Aug 30, 2033method-of-use (U-2045)US 8778947
Jan 8, 2030method-of-use (U-1603)US 78163833.5y
Jan 8, 2030method-of-use (U-2042)US 78163833.5y
Jan 8, 2030method-of-use (U-2042)US 78163833.5y
Jan 8, 2030method-of-use (U-2050)US 78163833.5y
Jan 8, 2030method-of-use (U-2049)US 79106103.5y
Jan 8, 2030method-of-use (U-2048)US 79106103.5y
Jan 8, 2030method-of-use (U-2049)US 79106103.5y
Jan 8, 2030method-of-use (U-1604)US 79106103.5y
Jan 8, 2030method-of-use (U-2082)US 80130023.5y
Jan 8, 2030method-of-use (U-1603)US 80130023.5y
Jan 8, 2030method-of-use (U-2082)US 80130023.5y
Jan 8, 2030method-of-use (U-2047)US 80130023.5y
Jan 8, 2030method-of-use (U-2054)US 80844753.5y
Jan 8, 2030method-of-use (U-2054)US 80844753.5y
Jan 8, 2030method-of-use (U-2054)US 80844753.5y
Jan 8, 2030method-of-use (U-1605)US 80844753.5y
Jan 8, 2030method-of-use (U-2081)US 83187803.5y
Jan 8, 2030method-of-use (U-2081)US 83187803.5y
Jan 8, 2030method-of-use (U-2046)US 83187803.5y
Jan 8, 2030method-of-use (U-1606)US 83187803.5y
Jan 8, 2030method-of-use (U-1611)US 86480983.5y
Jan 8, 2030method-of-use (U-2052)US 86480983.5y
Jan 8, 2030method-of-use (U-2051)US 86480983.5y
Jan 8, 2030method-of-use (U-2051)US 86480983.5y
Jan 8, 2030method-of-use (U-1612)US 87541093.5y
Jan 8, 2030method-of-use (U-2053)US 87541093.5y
Jan 8, 2030method-of-use (U-2053)US 87541093.5y
Jan 8, 2030method-of-use (U-2053)US 87541093.5y
Apr 22, 2029method-of-use (U-1600)US 75667292.8y
Apr 22, 2029method-of-use (U-2270)US 75667292.8y
Apr 22, 2029method-of-use (U-2077)US 75667292.8y
Apr 22, 2029method-of-use (U-2077)US 75667292.8y
Apr 22, 2029method-of-use (U-2073)US 76357072.8y
Apr 22, 2029method-of-use (U-2074)US 76357072.8y
Apr 22, 2029method-of-use (U-2076)US 76357072.8y
Apr 22, 2029method-of-use (U-1609)US 76357072.8y
Apr 22, 2029method-of-use (U-2060)US 85924622.8y
Apr 22, 2029method-of-use (U-2062)US 85924622.8y
Apr 22, 2029method-of-use (U-2059)US 85924622.8y
Apr 22, 2029method-of-use (U-1609)US 85924622.8y
Apr 22, 2029method-of-use (U-2066)US 86097012.8y
Apr 22, 2029method-of-use (U-2070)US 86097012.8y
Apr 22, 2029method-of-use (U-1610)US 86097012.8y
Apr 22, 2029method-of-use (U-2064)US 86097012.8y
May 10, 2028formulationUS 83831501.8y
May 10, 2028formulationUS 83831501.8y
May 10, 2028formulationUS 83831501.8y
May 10, 2028formulationUS 83831501.8y
Dec 18, 2027method-of-use (U-1601)US 76962361.4y
Dec 18, 2027method-of-use (U-2080)US 77677001.4y
Dec 18, 2027method-of-use (U-2080)US 77677001.4y
Dec 18, 2027method-of-use (U-2080)US 77677001.4y
Dec 18, 2027method-of-use (U-1601)US 77677001.4y
Dec 18, 2027method-of-use (U-2079)US 84206741.4y
Dec 18, 2027formulationUS 84206741.4y
Dec 18, 2027method-of-use (U-2079)US 84206741.4y
Dec 18, 2027method-of-use (U-2079)US 84206741.4y
Sep 22, 2026formulationUS 776722577d
Sep 22, 2026formulationUS 798899477d
Sep 22, 2026formulationUS 875367977d

PIRFENIDONE

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all catalysts(1)

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Patent cliff

patents (67)

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Trials studying PIRFENIDONE