Term ends Jul 24, 2032 · High confidence
20-year base term ends May 17, 2032
Held by Feit Electric Company, Inc.
Filed May 17, 2012 as application 13/473,918 · Granted Dec 23, 2014
Base term plus 68 days of patent term adjustment (USPTO delay)
Today
2012
2032
Clock starts
May 17, 2012
May 17, 2012
Term ends
Jul 24, 2032
Jul 24, 2032
Granted
Dec 23, 2014
Dec 23, 2014
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
68
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
6
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 68 days past its 20-year base term on 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 May 17, 2012, when this application, 13/473,918, was filed | May 17, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +68 days, USPTO patent term adjustment record | Jul 24, 2032 | 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 | Jul 24, 2032 | High confidence |
This family
| US 8,915,636 | this patent Jul 2032 | Jul 2032 |
| US 9,447,954 | Lapsed on the fee record Sep 2024 | Sep 2024 |
| US 9,562,678 | In force May 2032 | May 2032 |
| US 9,453,616 | In force May 2032 | May 2032 |
| US 9,664,365 | In force May 2032 | May 2032 |
| US 10,422,518 | In force Jul 2032 | Jul 2032 |
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 |
|---|---|---|---|
| Apr 17, 2013 Reel 30237, frame 83 | Araki, John; Myers, J. Richard | Pixi Lighting LLC | Assignment of Assignor's Interest |
| Aug 28, 2014 Reel 33633, frame 856 | Orangewood Legacy LLC | Pixi Lighting, Inc. | Assignment of Assignor's Interest |
| Aug 28, 2014 Reel 33656, frame 822 | Pixi Lighting LLC | Orangewood Legacy LLC | Change of Name |
| Dec 14, 2017 Reel 44402, frame 440 | Pixi Lighting, Inc. | Unity Opto Technology Co., Ltd. | Assignment of Assignor's Interest |
| Mar 26, 2019 Reel 48701, frame 760 | Unity Opto Technology Co., Ltd. | Epistar Corporation | Security Interest |
| May 29, 2020 Reel 52795, frame 406 | Epistar Corporation | Unity Opto Technology Co., Ltd. | Release of Security Interest |
| Jun 1, 2020 Reel 52801, frame 253 | Unity Opto Technology Co., Ltd. | Feit Electric Company, Inc. | 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 2032
Term ends Jul 24, 2032. No further fees fall due before then
Note
The 68 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
101
later US patents cite this one
That is top 5% of utility patents granted in 2014 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.