Collateral for a security interest recorded Aug 16, 2011 (Wells Fargo Bank, National Association).
Term ends Nov 18, 2026 · High confidence
20-year base term ended Oct 28, 2025
Held by Itron, Inc.
Filed Oct 28, 2005 as application 11/261,902 · Granted Nov 18, 2008
Base term plus 386 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Oct 28, 2005
Oct 28, 2005
Term ends
Nov 18, 2026
Nov 18, 2026
Granted
Nov 18, 2008
Nov 18, 2008
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
386
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 386 days past its 20-year base term on prosecution delay. 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 Oct 28, 2005, when this application, 11/261,902, was filed | Oct 28, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +386 days, USPTO patent term adjustment record | Nov 18, 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 | In force | High confidence |
| Computed term end | The steps above, in order | Nov 18, 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 |
|---|---|---|---|
| Jan 30, 2006 Reel 17510, frame 624 | Cumeralto, Scott; Fitzgerald, Aaron J.; Larson, Gary L. | 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
Nov 2026
Term ends Nov 18, 2026. No further fees fall due before then
Note
The 386 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
76
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.