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US 8,874,556 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended no later than Jun 14, 2024 · Medium confidence

Filed Dec 22, 2010 as application 12/975,903 · Granted Oct 28, 2014
Base term, 20 years from filing
Today
20 years from filing
Ended no later than Jun 14, 2024
2004 2026
Clock starts
Jun 14, 2004
Ended no later than
Jun 14, 2024
Granted
Oct 28, 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.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
26
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 on file with no resolved reference, so no cap is applied and none is guessed. 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 Jun 14, 2004, when application 10/867,610, the earliest non-provisional in its chain, was filed (this one was filed Dec 22, 2010)Jun 14, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderno later than Jun 14, 2024Medium confidence

This family

US 8,010,458Term ended
Jun 2023
Jun 2023
US 7,478,078Term ended
Mar 2025
Mar 2025
US 10,373,173In force
Mar 2033
Mar 2033
US 7,788,260Term ended
Aug 2025
Aug 2025
US 8,219,500Term ended
Apr 2022
Apr 2022
US 7,890,501Term ended
no later than Jun 2024
no later than Jun 2024
US 8,949,261Term ended
Jun 2024
Jun 2024
US 8,874,556this patent
no later than Jun 2024
no later than Jun 2024
8 of 26 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
Dec 20, 2021
Reel 58553, frame 802
Facebook, Inc.Meta Platforms, Inc.Change 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited