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Biometric Personal Data Key (PDK) Authentication

US 8,886,954 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Dec 20, 2025 · High confidence

Filed Dec 10, 2012 as application 13/710,109 · Granted Nov 11, 2014
Base term, 20 years from filing
Today
20 years from filing
Term ended Dec 20, 2025
2005 2026
Clock starts
Dec 20, 2005
Term ended
Dec 20, 2025
Granted
Nov 11, 2014
base term 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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,352,730, to Dec 20, 2025. The term already ends on or before that date, so the cap shortened nothing.
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.
7
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. 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 Dec 20, 2005, when application 11/314,199, the earliest non-provisional in its chain, was filed (this one was filed Dec 10, 2012)Dec 20, 2025High 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 8,352,730)resolves to Dec 20, 2025, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderDec 20, 2025High confidence

This family

US 8,352,730In force
Jul 2028
Jul 2028
US 8,886,954this patent
Dec 2025
Dec 2025
US 9,298,905Term ended
Dec 2025
Dec 2025
US 10,698,989Term ended
Dec 2025
Dec 2025
US 10,437,976Term ended
Dec 2025
Dec 2025
Application 16/551,243Abandoned
not computed
not computed
Application 90/016,114Pending
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
Dec 12, 2012
Reel 29456, frame 766
Giobbi, John J.Proxense, LLCAssignment 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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