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Maribavir Isomers, Compositions, Methods of Making and Methods of Using

US 10,485,813 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jan 9, 2032 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed Oct 12, 2016 as application 15/291,639 · Granted Nov 26, 2019
Base term plus 74 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2011 2032
Clock starts
Oct 27, 2011
Term ends
Jan 9, 2032
Granted
Nov 26, 2019
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
74
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
12
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 74 days past its 20-year base term on prosecution delay. 1 of 3 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 Oct 27, 2011, when application 13/282,501, the earliest non-provisional in its chain, was filed (this one was filed Oct 12, 2016); a parent in its chain could not be resolved (the next row)Oct 27, 2031High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+74 days, USPTO patent term adjustment recordJan 9, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 9, 2032Medium confidence

This family

US 8,940,707In force
Jun 2032
Jun 2032
Application 14/595,548Abandoned
not computed
not computed
Application 15/055,043Abandoned
not computed
not computed
US 10,485,813this patent
Jan 2032
Jan 2032
US 10,765,692In force
Oct 2031
Oct 2031
US 11,684,632In force
Jan 2032
Jan 2032
Application 18/200,636Abandoned
not computed
not computed
Application 18/594,712Abandoned
not computed
not computed
8 of 12 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
Oct 25, 2016
Reel 40108, frame 433
Peabody, John D., IIIViropharma IncorporatedAssignment of Assignor's Interest
Oct 25, 2016
Reel 40473, frame 221
Viropharma IncorporatedShire Viropharma IncorporatedChange of Name
May 20, 2021
Reel 56307, frame 254
Shire Viropharma LLCTakeda Pharmaceutical Company LimitedAssignment of Assignor's Interest
Jun 15, 2021
Reel 56596, frame 380
Shire Viropharma IncorporatedShire Viropharma LLCChange of Name

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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