Term ended Mar 16, 2025 · Medium confidence
20-year base term ended Mar 16, 2025
Why Medium: A parent in the chain could not be resolved.
Held by Trimble Navigation Limited
Filed Apr 28, 2006 as application 11/414,383 · Granted Jan 29, 2008
Base term, 20 years from filing
Today
Term ended Mar 16, 2025
2005
2026
Clock starts
Mar 16, 2005
Mar 16, 2005
Term ended
Mar 16, 2025
Mar 16, 2025
Granted
Jan 29, 2008
Jan 29, 2008
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.
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. 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 16, 2005, when application 11/082,041, the earliest non-provisional in its chain, was filed (this one was filed Apr 28, 2006); a parent in its chain could not be resolved (the next row) | Mar 16, 2025 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Mar 16, 2025 | Medium confidence |
This family
| US 7,323,673 | this patent Mar 2025 | Mar 2025 |
| US 7,838,808 | Term ended Oct 2026 | Oct 2026 |
2 of 4 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Apr 28, 2006 Reel 17847, frame 897 | Ake, Duwain K.; Hajmousa, Ayman | Apache Technologies, Inc., an Ohio Corporation | Assignment of Assignor's Interest |
| Sep 21, 2009 Reel 23254, frame 192 | Apache Technologies, Inc. | Trimble Navigation Limited | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
Citations
17
later US patents cite this one
That is above the median of utility patents granted in 2008 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.