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US

Phosphonate Analogs of HIV Inhibitor Compounds

US 9,579,332 In force
OverviewFamilyAssignmentsSources & methods

Term ends Nov 27, 2026 · High confidence

Filed Oct 17, 2012 as application 13/653,982 · Granted Feb 28, 2017
Base term plus 489 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2005 2026
Clock starts
Jul 26, 2005
Term ends
Nov 27, 2026
Granted
Feb 28, 2017
base term patent term adjustment 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
489
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
5
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 489 days past its 20-year base term on prosecution delay. 2 of 2 maintenance fees are paid so far. Confidence: High. 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 Jul 26, 2005, when application PCT/US2005/026504, the earliest non-provisional in its chain, was filed (this one was filed Oct 17, 2012)Jul 26, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+489 days, USPTO patent term adjustment recordNov 27, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderNov 27, 2026High confidence

This family

Application PCT/US2005/026504PCT application
no patent term
no patent term
US 8,318,701In force
Dec 2027
Dec 2027
US 9,579,332this patent
Nov 2026
Nov 2026
Application 15/402,857Abandoned
not computed
not computed
Application 16/195,152Abandoned
not computed
not computed
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
Mar 22, 2013
Reel 30072, frame 287
Boojamra, Constantine G.; Mackman, Richard L.; Markevitch, David Y.; Petrakovsky, Oleg V.; Ray, Adrian S.; Zhang, Lijun; Lin, Kuei-yingGilead Sciences, 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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