Term ends Apr 3, 2029 · High confidence
20-year base term ends Apr 3, 2029
Held by Led-IP Management, LLC
Filed Dec 21, 2011 as application 13/333,198 · Granted Nov 20, 2012
Base term, 20 years from filing
Today
2009
2029
Clock starts
Apr 3, 2009
Apr 3, 2009
Term ends
Apr 3, 2029
Apr 3, 2029
Granted
Nov 20, 2012
Nov 20, 2012
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
30
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 20-year base term, with no adjustment for 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 Apr 3, 2009, when application 12/418,364, the earliest non-provisional in its chain, was filed (this one was filed Dec 21, 2011) | Apr 3, 2029 | 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 |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 3, 2029 | High confidence |
This family
| Application 11/541,908 | Abandoned not computed | not computed |
| US 7,686,469 | Term ended Sep 2026 | Sep 2026 |
| Application 11/864,298 | Abandoned not computed | not computed |
| Application PCT/US2008/008459 | PCT application no patent term | no patent term |
| US 8,092,049 | In force Jul 2030 | Jul 2030 |
| US 8,070,306 | Term ended Sep 2026 | Sep 2026 |
| US 8,425,071 | Term ended Sep 2026 | Sep 2026 |
| US 8,313,222 | this patent Apr 2029 | Apr 2029 |
8 of 30 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 |
|---|---|---|---|
| Mar 23, 2012 Reel 27916, frame 167 | Kinnune, Brian; Ruud, Alan J.; Wilcox, Kurt | Ruud Lighting, Inc. | Assignment of Assignor's Interest |
| Jul 17, 2013 Reel 30814, frame 742 | 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 · 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
Apr 2029
Term ends Apr 3, 2029. No further fees fall due before then
Citations
27
later US patents cite this one
That is top 25% of utility 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.