Term ends Nov 28, 2026 · High confidence
20-year base term ended Feb 21, 2023
Held by Alcatel Lucent
Filed Feb 21, 2003 as application 10/369,539 · Granted Apr 20, 2010
Base term plus 1376 days of patent term adjustment (USPTO delay)
Today
2003
2026
Clock starts
Feb 21, 2003
Feb 21, 2003
Term ends
Nov 28, 2026
Nov 28, 2026
Granted
Apr 20, 2010
Apr 20, 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
1,376
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 1376 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 Feb 21, 2003, when this application, 10/369,539, was filed | Feb 21, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1376 days, USPTO patent term adjustment record | Nov 28, 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 28, 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 21, 2003 Reel 13808, frame 307 | Rajsic, Carl | Alcatel | Assignment of Assignor's Interest |
| Feb 16, 2010 Reel 23938, frame 701 | Alcatel | Alcatel Lucent | Change of Name |
| Jan 30, 2013 Reel 29821, frame 1 | Alcatel Lucent | Credit Suisse AG | Security Agreement |
| Sep 30, 2014 Reel 33868, frame 1 | Credit Suisse AG | Alcatel Lucent | Release of 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 28, 2026. No further fees fall due before then
Note
The 1376 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
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.