Term ended Sep 18, 2026 · High confidence
Held by Led-IP Management, LLC
Filed Jul 19, 2011 as application 29/397,627 · Granted Sep 18, 2012
Base term, 14 years from grant
Today
Term ended Sep 18, 2026
2012
2026
Clock starts
Sep 18, 2012
Sep 18, 2012
Term ended
Sep 18, 2026
Sep 18, 2026
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
14 years from grant
Base term
No maintenance fees are payable on this kind of patent.
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 is its base term, 14 years from grant, with no adjustment for prosecution delay. No maintenance fees are payable on this kind of patent. 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, 14 years from grant | Granted Sep 18, 2012 | Sep 18, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Computed term end | The steps above, in order | Sep 18, 2026 | High confidence |
This family
| US 8,465,178 | In force Jan 2031 | Jan 2031 |
| US D672,908 | In force Dec 2026 | Dec 2026 |
| US D667,586 | Term ended Sep 2026 | Sep 2026 |
| US D667,587 | this patent Sep 2026 | Sep 2026 |
| Application PCT/US2011/050536 | PCT application no patent term | no patent term |
| US 8,783,913 | Lapsed on the fee record Jul 2026 | Jul 2026 |
| US 9,488,362 | In force Sep 2030 | Sep 2030 |
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 |
|---|---|---|---|
| Oct 4, 2011 Reel 27012, frame 613 | Wilcox, Kurt S.; Guillien, Wayne; Tsao, Frank | Ruud Lighting, Inc. | Assignment of Assignor's Interest |
| Aug 13, 2014 Reel 33525, frame 492 | Ruud Lighting, Inc. | Cree, Inc. | Merger |
| Jul 26, 2019 Reel 49880, frame 524 | Cree, Inc. | Ideal Industries Lighting LLC | Assignment of Assignor's Interest |
| Sep 13, 2023 Reel 64897, frame 413 | Ideal Industries Lighting LLC | FGI Worldwide LLC | Security Interest |
| May 16, 2026 Reel 76279, frame 340 | Clna Holdings, LLC; Cree Lighting USA LLC; Cree Lighting Canada Corp.; E-Conolight LLC | Lumen Acquisition Holdings, LLC | Assignment of Assignor's Interest |
| May 22, 2026 Reel 75624, frame 358 | Lumen Acquisition Holdings, LLC | Led-IP Management, LLC | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center
No maintenance fees are payable on this kind of patent, so the record carries no fee events.
Citations
27
later US patents cite this one
That is above the median of design patents granted in 2012 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.