Term ends Nov 23, 2026 · High confidence
20-year base term ended Jan 27, 2025
Held by Ericsson AB
Filed Jan 27, 2005 as application 11/045,196 · Granted Jan 13, 2009
Base term plus 665 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Jan 27, 2005
Jan 27, 2005
Term ends
Nov 23, 2026
Nov 23, 2026
Granted
Jan 13, 2009
Jan 13, 2009
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
665
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.
10
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 665 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 Jan 27, 2005, when this application, 11/045,196, was filed | Jan 27, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +665 days, USPTO patent term adjustment record | Nov 23, 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 23, 2026 | High confidence |
This family
| US 7,130,263 | Lapsed on the fee record Oct 2018 | Oct 2018 |
| US 7,573,814 | Lapsed on the fee record Aug 2017 | Aug 2017 |
| US 7,477,642 | this patent Nov 2026 | Nov 2026 |
| US 8,554,949 | Lapsed on the fee record Oct 2021 | Oct 2021 |
| US 8,588,742 | Lapsed on the fee record Nov 2025 | Nov 2025 |
| US 8,599,849 | Term ended Oct 2026 | Oct 2026 |
| US 9,350,646 | Term ended no later than Aug 2025 | no later than Aug 2025 |
| US 9,860,163 | Term ended Jan 2025 | Jan 2025 |
8 of 10 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 |
|---|---|---|---|
| Jan 27, 2005 Reel 16236, frame 266 | Aggarwal, Rahul; Apostolopoulos, George; Wei, Liming | Redback Networks, Inc. | Assignment of Assignor's Interest |
| Feb 26, 2010 Reel 24002, frame 363 | Redback Networks Inc. | Ericsson AB | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Nov 2026
Term ends Nov 23, 2026. No further fees fall due before then
Note
The 665 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
47
later US patents cite this one
That is top 25% of utility patents granted in 2009 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.