Term ends May 25, 2035 · High confidence
20-year base term ends Jun 25, 2034
Held by Lutron Technology Company LLC
Filed Jun 25, 2014 as application 14/314,556 · Granted Aug 15, 2017
Base term plus 334 days of patent term adjustment (USPTO delay)
Today
2014
2035
Clock starts
Jun 25, 2014
Jun 25, 2014
Term ends
May 25, 2035
May 25, 2035
Granted
Aug 15, 2017
Aug 15, 2017
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
334
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
40
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 334 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 25, 2014, when this application, 14/314,556, was filed | Jun 25, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +334 days, USPTO patent term adjustment record | May 25, 2035 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 25, 2035 | High confidence |
This family
| Application 13/790,990 | Abandoned not computed | not computed |
| US 9,578,724 | Surrendered on reissue Feb 2023 | Feb 2023 |
| US 9,360,174 | Surrendered on reissue Feb 2022 | Feb 2022 |
| US 9,146,028 | In force Dec 2033 | Dec 2033 |
| US 9,769,899 | In force Jul 2035 | Jul 2035 |
| US 9,557,214 | In force Dec 2034 | Dec 2034 |
| US 10,161,786 | In force Apr 2037 | Apr 2037 |
| US 9,736,903 | this patent May 2035 | May 2035 |
8 of 40 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 |
|---|---|---|---|
| Jun 25, 2014 Reel 33176, frame 708 | Lewis, Jason E.; Ho, Horace C.; Knapp, David J. | Ketra, Inc. | Assignment of Assignor's Interest |
| Apr 17, 2018 Reel 45966, frame 790 | Ketra, Inc. | Lutron Ketra, LLC | Assignment of Assignor's Interest |
| Jan 8, 2021 Reel 54940, frame 343 | Lutron Ketra, LLC | Lutron Technology Company 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
May 2035
Term ends May 25, 2035. Maintenance fees still fall due before then
Note
The 334 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
49
later US patents cite this one
That is top 10% of utility patents granted in 2017 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.