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SUBSTITUTED 10-Hydroxy-9,11-Dioxo-2,3,4a,5,9,11,13,13a-OCTAHYDRO-1H-PYRIDO[1,2-a]PYRROLO[1',2':3,4]IMIDAZO[1,2-d]PYRAZINE-8-Carboxamides

US 8,778,943 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Apr 28, 2026 · High confidence

Filed Feb 8, 2013 as application 13/763,174 · Granted Jul 15, 2014
Base term, 20 years from filing
Today
20 years from filing
Term ended Apr 28, 2026
2006 2026
Clock starts
Apr 28, 2006
Term ended
Apr 28, 2026
Granted
Jul 15, 2014
base term after the term ends fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,183,372, US 8,624,023, to Apr 28, 2026. The term already ends on or before that date, so the cap shortened nothing.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
25
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees were paid, so no fee lapse ended it. 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 Apr 28, 2006, when application PCT/US2006/016604, the earliest non-provisional in its chain, was filed (this one was filed Feb 8, 2013)Apr 28, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 8,183,372, US 8,624,023)resolves to Apr 28, 2026, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderApr 28, 2026High confidence

This family

Application PCT/US2006/016604PCT application
no patent term
no patent term
US 8,129,385In force
Oct 2027
Oct 2027
US 8,410,103In force
Feb 2031
Feb 2031
US 8,778,943this patent
Apr 2026
Apr 2026
US 9,051,337Term ended
Apr 2026
Apr 2026
US 9,273,065Term ended
Apr 2026
Apr 2026
Application 15/001,336Abandoned
not computed
not computed
Application 15/086,616Abandoned
not computed
not computed
8 of 25 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
May 8, 2013
Reel 30374, frame 571
GlaxoSmithKline LLCViiv Healthcare CompanyAssignment 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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