Ledvance LLC
2 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.
62
Ending by 2030
Feb 2027
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 9 fees due Dec 4 to 25, 2026 · next Dec 4
- 8 fees due Jan 16 to 23, 2027 · next Jan 16
- 1 fee due Feb 6, 2027The maintenance fee for Apparatus system and method for controlling multiple devices simultaneously using short-range wireless communication (US 10,373,484) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
- 3 fees due Mar 10 to 17, 2027 · next Mar 10
- 1 fee due Apr 13, 2027The maintenance fee for Method and Device for Remote Sensing and Control of LED Lights (US 9,161,415) comes due Apr 13, 2027. Unpaid by Oct 13, 2027, it lapses early.
- 6 fees due May 5 to 19, 2027 · next May 5
- 4 fees due Jun 8 to 26, 2027 · next Jun 8
- 1 fee due Jul 14, 2027The maintenance fee for Calibration and Use of Mechanical Relay at Zero Cross (US 10,535,482) comes due Jul 14, 2027. Unpaid by Jan 14, 2028, it lapses early.
- 2 fees due Aug 2 to 16, 2027 · next Aug 2
- 8 fees due Sep 1 to 30, 2027 · next Sep 1
- 3 fees due Oct 14 to 26, 2027 · next Oct 14
Recent changes
- 1 of the patents on this record was granted since Aug 17, 2026
- 2 terms have ended since Aug 17, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,419,621 | Uv-Emitting Phosphor and Lamp Containing Same In force · High confidence | In force | High confidence | |
| US 7,449,129 | Ce,pr-Coactivated Strontium Magnesium Aluminate Phosphor and Lamp Containing Same In force · High confidence | In force | High confidence | |
| US 7,514,872 | Reflector Lamp with Engaging Electrical Contact In force · High confidence | In force | High confidence | |
| US 7,396,490 | Ce,pr-Coactivated Calcium Pyrophosphate Phosphor and Lamp Containing Same In force · High confidence | In force | High confidence | |
| US 7,396,491 | Uv-Emitting Phosphor and Lamp Containing Same In force · High confidence | In force | High confidence | |
| US 7,402,955 | Lamp with Multi-Layer Phosphor Coating In force · High confidence | In force | High confidence | |
| US 7,497,974 | Ce,pr-Coactivated Yttrium Phosphate Phosphor and Lamp Containing Same In force · High confidence | In force | High confidence | |
| US D683,866 | Par Lamp Heat Sink In force · High confidence | In force | High confidence | |
| US D683,867 | Lamp In force · High confidence | In force | High confidence | |
| US D684,281 | Lamp and Heat Sink for a Lamp In force · High confidence | In force | High confidence |
Also on record, not counted in the 221: 2 patents in force now held by others · 47 lapsed for an unpaid fee · 114 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
4 pending · 5 no status recorded