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US

Land Survey System

US 7,978,128 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Dec 15, 2025 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Held by Trimble Inc.
Filed Jan 11, 2011 as application 12/930,569 · Granted Jul 12, 2011
Base term, 20 years from filing
Today
20 years from filing
Term ended Dec 15, 2025
2005 2026
Clock starts
Dec 15, 2005
Term ended
Dec 15, 2025
Granted
Jul 12, 2011
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.
3 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.
31
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. All three maintenance fees were paid, so no fee lapse ended it. 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 Dec 15, 2005, when application 11/303,676, the earliest non-provisional in its chain, was filed (this one was filed Jan 11, 2011); a parent in its chain could not be resolved (the next row)Dec 15, 2025High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderDec 15, 2025Medium confidence

This family

US 7,541,974In force
Dec 2026
Dec 2026
Application PCT/US2006/047721PCT application
no patent term
no patent term
US 8,942,483In force
Jul 2033
Jul 2033
Application 12/911,046Abandoned
not computed
not computed
US 7,978,128this patent
Dec 2025
Dec 2025
US 8,416,130Term ended
Dec 2025
Dec 2025
US 8,897,541In force
Dec 2030
Dec 2030
Application PCT/US2011/053547PCT application
no patent term
no patent term
8 of 31 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
Jan 11, 2011
Reel 25670, frame 333
Scherzinger, BrunoTrimble Navigation LimitedAssignment of Assignor's Interest
Apr 25, 2024
Reel 67229, frame 666
Trimble Navigation Limited; Trimble Inc.Trimble Inc.Merger and 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.

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