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US 8,321,445 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Aug 13, 2024 · High confidence

USPTO later recorded it as expired for non-payment on Dec 30, 2024.

Held by Google LLC
Filed Mar 3, 2011 as application 13/040,220 · Granted Nov 27, 2012
Base term, 20 years from filing
Today
20 years from filing
Term ended Aug 13, 2024
2004 2026
Clock starts
Aug 13, 2004
Term ended
Aug 13, 2024
Granted
Nov 27, 2012
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.
None
Terminal disclaimer
No disclaimer on this record.
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.
4
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. 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 Aug 13, 2004, when application 10/917,739, the earliest non-provisional in its chain, was filed (this one was filed Mar 3, 2011)Aug 13, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidterm endedHigh confidence
USPTO status recordRecorded as expired for non-payment on Dec 30, 2024, after the term endedno changeHigh confidence
Computed term endThe steps above, in orderAug 13, 2024High confidence

This family

US 7,917,480In force
Nov 2026
Nov 2026
US 8,321,445this patent
Aug 2024
Aug 2024
US 9,098,501Term ended
Sep 2024
Sep 2024
US 9,619,565Term ended
Aug 2024
Aug 2024
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 5, 2017
Reel 44695, frame 115
Google Inc.Google 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.

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