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Method of Treating Neurological Conditions with Cardiac Glycoside

US 8,481,086 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jul 9, 2025 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Jan 10, 2011 as application 12/987,693 · Granted Jul 9, 2013
Base term, 20 years from filing, plus 164 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 9, 2025
2011 2031
Clock starts
Jan 10, 2011
No longer in force
Jul 9, 2025
Granted
Jul 9, 2013
Term would have run to
Jun 23, 2031
base term patent term adjustment after the term ends 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
164
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 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.
13
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Jun 23, 2031: its 20-year base term plus 164 days of term adjustment for prosecution delay. 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 Jan 10, 2011, when this application, 12/987,693, was filedJan 10, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+164 days, USPTO patent term adjustment recordJun 23, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Jul 9, 2025High confidence
Computed term endThe steps above, in orderJul 9, 2025High confidence

This family

US 8,481,086this patent
Jul 2025
Jul 2025
Application PCT/US2011/020672PCT application
no patent term
no patent term
US 9,011,937In force
Jan 2031
Jan 2031
Application PCT/US2011/059090PCT application
no patent term
no patent term
US 9,358,293Lapsed on the fee record
Jun 2024
Jun 2024
US 9,220,778In force
Feb 2032
Feb 2032
US 8,893,965In force
Jun 2033
Jun 2033
Application 14/658,652Abandoned
not computed
not computed
8 of 13 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
Feb 25, 2011
Reel 25867, frame 25
Addington, Otis C.; Newman, Robert A.Phoenix Biotechnology, 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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