Term ends Jul 23, 2036 · High confidence
20-year base term ends Jun 3, 2031
Held by Led-IP Management, LLC
Filed Jun 3, 2011 as application 13/152,640 · Granted Jan 8, 2019
Base term plus 1877 days of patent term adjustment (USPTO delay)
Today
2011
2036
Clock starts
Jun 3, 2011
Jun 3, 2011
Term ends
Jul 23, 2036
Jul 23, 2036
Granted
Jan 8, 2019
Jan 8, 2019
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
1,877
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
49
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 1877 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. 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 Jun 3, 2011, when this application, 13/152,640, was filed | Jun 3, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1877 days, USPTO patent term adjustment record | Jul 23, 2036 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 23, 2036 | High confidence |
This family
| US D650,760 | Term ended Dec 2025 | Dec 2025 |
| US D676,000 | In force no later than Feb 2027 | no later than Feb 2027 |
| US 8,564,000 | In force Jan 2031 | Jan 2031 |
| US 8,624,271 | In force Dec 2030 | Dec 2030 |
| US 10,178,723 | this patent Jul 2036 | Jul 2036 |
| US 10,098,197 | Lapsed on the fee record Oct 2026 | Oct 2026 |
| US D669,273 | Term ended Oct 2026 | Oct 2026 |
| US 9,300,062 | In force Jul 2032 | Jul 2032 |
8 of 49 applications in this family shown, earliest filings first. 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 5, 2011 Reel 27020, frame 819 | Van De Ven, Antony P. | Cree, Inc. | Assignment of Assignor's Interest |
| May 20, 2019 Reel 49223, frame 494 | 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 76280, frame 203 | Clna Holdings, LLC; Cree Lighting Usallc; 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 · 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.
What's changing
Jul 2036
Term ends Jul 23, 2036.
Note
The 1877 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
70
later US patents cite this one
That is top 5% of utility patents granted in 2019 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.