Also listed on Alcatel, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jun 20, 2032 · High confidence
20-year base term ends Mar 19, 2032
Held by Alcatel Lucent
Filed Mar 19, 2012 as application 13/423,369 · Granted May 27, 2014
Base term plus 93 days of patent term adjustment (USPTO delay)
Today
2012
2032
Clock starts
Mar 19, 2012
Mar 19, 2012
Term ends
Jun 20, 2032
Jun 20, 2032
Granted
May 27, 2014
May 27, 2014
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
93
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.
3
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 93 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 Mar 19, 2012, when this application, 13/423,369, was filed | Mar 19, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +93 days, USPTO patent term adjustment record | Jun 20, 2032 | 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 | Jun 20, 2032 | High confidence |
This family
| US 8,737,251 | this patent Jun 2032 | Jun 2032 |
| Application PCT/US2013/030668 | PCT application no patent term | no patent term |
| US 9,049,712 | In force Mar 2032 | Mar 2032 |
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 |
|---|---|---|---|
| May 10, 2012 Reel 28254, frame 331 | Baker, Matthew | Alcatel-Lucent Telecom Ltd. | Assignment of Assignor's Interest |
| May 10, 2012 Reel 28254, frame 581 | Cheng, Fang-chen; Ye, Sigen | Alcatel-Lucent USA Inc. | Assignment of Assignor's Interest |
| Mar 7, 2013 Reel 30510, frame 627 | Alcatel-Lucent USA Inc. | Credit Suisse AG | Security Interest |
| Apr 19, 2013 Reel 30252, frame 22 | Alcatel-Lucent USA Inc. | Alcatel Lucent | Assignment of Assignor's Interest |
| Apr 19, 2013 Reel 30252, frame 85 | Alcatel-Lucent Telecom Ltd. | Alcatel Lucent | Assignment of Assignor's Interest |
| Oct 9, 2014 Reel 33949, frame 16 | Credit Suisse AG | Alcatel-Lucent USA Inc. | 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
Jun 2032
Term ends Jun 20, 2032. No further fees fall due before then
Note
The 93 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
54
later US patents cite this one
That is top 10% of utility patents granted in 2014 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.