Term ends Dec 29, 2026 · High confidence
20-year base term ended Jan 5, 2026
Held by PTX Trimble LLC
Filed Dec 29, 2006 as application 11/617,853 · Granted Feb 16, 2010
Base term plus 473 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2006
2026
Clock starts
Jan 5, 2006
Jan 5, 2006
Term ends
Dec 29, 2026
Dec 29, 2026
Granted
Feb 16, 2010
Feb 16, 2010
base term
patent term adjustment
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
473
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,467,698, US 7,497,176.
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.
3
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 runs 473 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. All three maintenance fees are recorded paid; no more fees are due. 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jan 5, 2006, when application 11/306,654, the earliest non-provisional in its chain, was filed (this one was filed Dec 29, 2006) | Jan 5, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +473 days, USPTO patent term adjustment record | Apr 23, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,467,698, US 7,497,176) | capped to Dec 29, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 29, 2026 | High confidence |
This family
| US 7,661,516 | In force Dec 2026 | Dec 2026 |
| US 7,661,517 | this patent Dec 2026 | Dec 2026 |
| Application PCT/US2007/089083 | PCT application no patent term | no patent term |
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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Sep 9, 2008 Reel 21489, frame 951 | Dillman, Jeffrey D. | Tru Count, Inc. | Assignment of Assignor's Interest |
| Apr 23, 2009 Reel 22584, frame 129 | Tru Count, Inc. | Trimble Navigation Limited | Assignment of Assignor's Interest |
| Aug 22, 2023 Reel 64669, frame 912 | Trimble Navigation Limited | Trimble Inc. | Merger |
| Jun 19, 2024 Reel 67780, frame 391 | Trimble Inc. | PTX Trimble LLC | Assignment 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.
What's changing
Dec 2026
Term ends Dec 29, 2026. No further fees fall due before then
Note
The 473 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,467,698, US 7,497,176.
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2010 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.