24 patents currently held
5 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Dec 2026. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
18
Ending by 2030
Dec 2026
Next term end
24
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Mar 2027 · High confidence
Also notable
Ends Dec 2026 · High confidence
Also notable
Ends May 2027 · High confidence
Lens Cover for LED Lamp
US D677,422
Granted 2013. Computed term ends 2027.
Heat Sink
US D672,730
Granted 2012. Computed term ends 2026.
LED Lamp Cover
US D681,866
Granted 2013. Computed term ends 2027.
Formerly held, still cited
Notable
Ends Nov 2028 · High confidence
The most cited patent in this portfolio, cited by 38 later US patents, top 25% of utility patents granted in 2010 in our data. Protection runs to 2028.
now held by Nichia Corporation
Also notable
Ends no later than Jul 2028 · Medium confidence
The largest patent family in this portfolio, 5 related applications, renewed at 3 of 3 maintenance windows. Protection runs to 2028. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.
now held by Signify Holding B.V.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 5 terms have ended since Aug 17, 2026
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D672,078 | Illumination Device In force · High confidence | In force | High confidence | |
| US D672,322 | Heat Sink In force · High confidence | In force | High confidence | |
| US D672,728 | Heat Sink In force · High confidence | In force | High confidence | |
| US D672,729 | Heat Sink In force · High confidence | In force | High confidence | |
| US D672,730 | Heat Sink In force · High confidence | In force | High confidence | |
| US D672,913 | Lamp Housing In force · High confidence | In force | High confidence | |
| US D673,124 | Heat Sink In force · High confidence | In force | High confidence | |
| US D673,718 | Illumination Device In force · High confidence | In force | High confidence | |
| US D675,351 | Light Emitting Diode Lamp In force · High confidence | In force | High confidence | |
| US D675,370 | Lamp Housing In force · High confidence | In force | High confidence |
Also on record, not counted in the 24: 5 patents in force now held by others · 292 patents ended · 201 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
20 terminal disclaimers are on file with no resolved reference. No cap is applied and none is guessed