Term ends Jan 19, 2034 · High confidence
20-year base term ends Mar 15, 2031
Held by Signify Holding B.V.
Filed Mar 15, 2011 as application 13/048,435 · Granted Apr 21, 2015
Base term plus 1041 days of patent term adjustment (USPTO delay)
Today
2011
2034
Clock starts
Mar 15, 2011
Mar 15, 2011
Term ends
Jan 19, 2034
Jan 19, 2034
Granted
Apr 21, 2015
Apr 21, 2015
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
1,041
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.
6
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 1041 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 15, 2011, when this application, 13/048,435, was filed | Mar 15, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1041 days, USPTO patent term adjustment record | Jan 19, 2034 | 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 | Jan 19, 2034 | High confidence |
This family
| US 9,010,956 | this patent Jan 2034 | Jan 2034 |
| US 9,605,842 | In force Mar 2031 | Mar 2031 |
| US 10,378,738 | In force Mar 2031 | Mar 2031 |
| US 10,527,264 | In force Mar 2031 | Mar 2031 |
| US 10,677,429 | In force Mar 2031 | Mar 2031 |
| Application 16/889,054 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Mar 31, 2011 Reel 26057, frame 891 | Davis, Jared Michael | Cooper Technologies Company | Assignment of Assignor's Interest |
| Jul 18, 2016 Reel 39180, frame 710 | Cooper Technologies Company | Cooper Lighting, LLC | Assignment of Assignor's Interest |
| Nov 19, 2018 Reel 47543, frame 585 | Cooper Lighting, LLC | Eaton Intelligent Power Limited | Assignment of Assignor's Interest |
| May 18, 2020 Reel 52681, frame 475 | Eaton Intelligent Power Limited | Signify Holding B.V. | Assignment of Assignor's Interest |
| Nov 12, 2020 Reel 55965, frame 721 | Eaton Intelligent Power Limited | Signify Holding B.V. | Corrective Assignment to Correct the Application Numbers 12183490, 12183499, 12494944, 12961315, 13528561, 13600790, 13826197, 14605880, 15186648, Recorded in Error Previously Recorded on Reel 052681 Frame 0475. Assignor(S) Hereby Confirms the Assignment. |
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
Jan 2034
Term ends Jan 19, 2034. No further fees fall due before then
Note
The 1041 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
46
later US patents cite this one
That is top 10% of utility patents granted in 2015 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.