Term ends Jul 21, 2027 · High confidence
20-year base term ended Mar 25, 2025
Held by Signify Holding B.V.
Filed Mar 25, 2005 as application 11/090,654 · Granted Mar 9, 2010
Base term plus 848 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
Mar 25, 2005
Mar 25, 2005
Term ends
Jul 21, 2027
Jul 21, 2027
Granted
Mar 9, 2010
Mar 9, 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
848
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.
7
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 848 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 25, 2005, when this application, 11/090,654, was filed | Mar 25, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +848 days, USPTO patent term adjustment record | Jul 21, 2027 | 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 | Jul 21, 2027 | High confidence |
This family
| US 7,673,841 | this patent Jul 2027 | Jul 2027 |
| US 7,735,795 | Term ended Mar 2025 | Mar 2025 |
| US 8,240,630 | Term ended Mar 2025 | Mar 2025 |
| US 8,622,361 | Term ended Mar 2025 | Mar 2025 |
| US 9,004,435 | Term ended Mar 2025 | Mar 2025 |
| US 9,689,541 | Term ended Mar 2025 | Mar 2025 |
| US 9,696,021 | Term ended Mar 2025 | Mar 2025 |
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 25, 2005 Reel 16432, frame 57 | Wronski, Grzegorz | Cooper Technologies Company | Assignment of Assignor's Interest |
| Jan 12, 2012 Reel 27545, frame 555 | Cooper Technologies Company | Cooper Lighting LLC | Assignment of Assignor's Interest |
| Mar 2, 2012 Reel 27794, frame 455 | Cooper Technologies Company | Cooper Lighting LLC | Corrective Assignment to Correct the Recordation Form Cover Sheet Assignee Address Previously Recorded on Reel 027545 Frame 0555. Assignor(S) Hereby Confirms the Cooper Lighting LLC 1121 Highway 74 South Peachtree City, Ga 30269. |
| 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
Jul 2027
Term ends Jul 21, 2027. No further fees fall due before then
Note
The 848 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
133
later US patents cite this one
That is top 5% 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.