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Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof

US 11,452,718 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jan 31, 2032 · Medium confidence

Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 11,071,741, US 12,023,342), so the cap could be lower.

Filed Jul 7, 2020 as application 16/922,958 · Granted Sep 27, 2022
Base term plus 146 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2012 2032
Clock starts
Jan 31, 2012
Term ends
Jan 31, 2032
Granted
Sep 27, 2022
base term fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
146
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,028,966, US 10,610,536, US 11,071,741, US 11,559,520, US 12,023,342, US 9,770,443.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
9
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 146 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 2 maintenance fees is paid so far. Confidence: Medium. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jan 31, 2012, when application 13/363,311, the earliest non-provisional in its chain, was filed (this one was filed Jul 7, 2020)Jan 31, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+146 days, USPTO patent term adjustment recordJun 25, 2032High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,028,966, US 10,610,536, US 11,071,741, US 11,559,520, US 12,023,342, US 9,770,443)capped to Jan 31, 2032Medium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 31, 2032Medium confidence

This family

US 10,092,552In force
Apr 2032
Apr 2032
US 10,105,356In force
Apr 2032
Apr 2032
US 11,224,592In force
Jan 2032
Jan 2032
Application 16/167,337Abandoned
not computed
not computed
US 11,452,718this patent
Jan 2032
Jan 2032
US 11,559,520In force
Jan 2032
Jan 2032
Application 17/576,830Pending
not computed
not computed
US 12,226,407In force
Jan 2032
Jan 2032
8 of 9 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Jul 7, 2020
Reel 53143, frame 416
Surber, Mark WilliamAvalyn Pharma Inc.Assignment of Assignor's Interest

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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