Collateral for a security interest recorded Aug 16, 2011 (Wells Fargo Bank, National Association).
Term ended Nov 6, 2026 · High confidence
20-year base term ended Dec 6, 2025
Held by Itron, Inc.
Filed Dec 6, 2005 as application 11/294,748 · Granted Apr 22, 2008
Base term plus 335 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 6, 2026
2005
2026
Clock starts
Dec 6, 2005
Dec 6, 2005
Term ended
Nov 6, 2026
Nov 6, 2026
Granted
Apr 22, 2008
Apr 22, 2008
base term
patent term adjustment
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
335
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
This patent's term runs 335 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Dec 6, 2005, when this application, 11/294,748, was filed | Dec 6, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +335 days, USPTO patent term adjustment record | Nov 6, 2026 | 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 | Nov 6, 2026 | High confidence |
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 |
|---|---|---|---|
| Feb 6, 2006 Reel 17544, frame 308 | Hoiness, Steve | Itron, Inc. | Assignment of Assignor's Interest |
| Apr 25, 2007 Reel 19204, frame 544 | Itron, Inc. | Wells Fargo Bank, National Association | Security Agreement |
| Aug 15, 2011 Reel 26749, frame 263 | Wells Fargo Bank, National Association | Itron, Inc. | Release of Security Interest |
| Aug 16, 2011 Reel 26761, frame 69 | Itron, Inc. | Wells Fargo Bank, National Association | Security Agreement |
| Jan 8, 2018 Reel 45017, frame 893 | Itron, Inc.; Itron Networked Solutions, Inc. | Wells Fargo Bank, National Association | Security 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.
What's changing
Note
The 335 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
79
later US patents cite this one
That is top 10% 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.