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US 7,567,959 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jul 28, 2021 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Held by Google LLC
Filed Jan 25, 2005 as application 11/043,695 · Granted Jul 28, 2009
Base term, 20 years from filing, plus 353 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 28, 2021
2004 2026
Clock starts
Jul 26, 2004
No longer in force
Jul 28, 2021
Granted
Jul 28, 2009
Term would have run to
Jul 14, 2025
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
353
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.
6
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 Jul 14, 2025: its 20-year base term plus 353 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 Jul 26, 2004, when application 10/900,021, the earliest non-provisional in its chain, was filed (this one was filed Jan 25, 2005)Jul 26, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+353 days, USPTO patent term adjustment recordJul 14, 2025High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Jul 28, 2021High confidence
Computed term endThe steps above, in orderJul 28, 2021High confidence

This family

US 7,580,921In force
Nov 2026
Nov 2026
US 7,567,959this patent
Jul 2021
Jul 2021
US 8,560,550Lapsed on the fee record
Oct 2025
Oct 2025
US 9,361,331Lapsed on the fee record
Jun 2024
Jun 2024
US 9,817,825Term ended
Jul 2024
Jul 2024
US 10,671,676Lapsed on the fee record
Jun 2024
Jun 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
Jun 9, 2005
Reel 16685, frame 734
Patterson, Anna K.Google, Inc.Assignment of Assignor's Interest
Oct 2, 2017
Reel 44101, frame 610
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.

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