Term ends Jun 11, 2036 · High confidence
20-year base term ends Nov 3, 2035
Held by Terralux, Inc.
Filed Nov 3, 2015 as application 14/931,317 · Granted Jul 31, 2018
Base term plus 221 days of patent term adjustment (USPTO delay)
Today
2015
2036
Clock starts
Nov 3, 2015
Nov 3, 2015
Term ends
Jun 11, 2036
Jun 11, 2036
Granted
Jul 31, 2018
Jul 31, 2018
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
221
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.
This patent's term runs 221 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 Nov 3, 2015, when this application, 14/931,317, was filed | Nov 3, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +221 days, USPTO patent term adjustment record | Jun 11, 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 11, 2036 | High confidence |
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 |
|---|---|---|---|
| Sep 1, 2017 Reel 43747, frame 262 | Terralux, Inc. D/B/A Sielo, Inc. | Neugeboren O'Dowd PC | Security Interest |
| Nov 21, 2017 Reel 44878, frame 226 | Terralux, Inc. | Neugeboren O'Dowd PC | Release of Security Interest |
| Feb 6, 2018 Reel 45260, frame 954 | General Lighting Company Inc. | Ledvance LLC | Assignment of Assignor's Interest |
| Feb 28, 2018 Reel 45059, frame 341 | Terralux, Inc. | Venture Lending & Leasing VII, Inc.; Venture Lending & Leasing VIII, Inc. | Security Interest |
| Feb 28, 2018 Reel 45465, frame 587 | Venture Lending & Leasing VII, Inc.; Venture Lending & Leasing VIII, Inc. | General Lighting Company Inc. | Patent Transfer Statement (and Foreclosure of Security Interest) |
| Feb 28, 2018 reel/frame not recorded | Terralux, Inc. | Venture Lending & Leasing VII, Inc. | Security Interest |
| Feb 28, 2018 reel/frame not recorded | Terralux, Inc. | Venture Lending & Leasing VIII, Inc. | Security Interest |
| May 31, 2018 Reel 46276, frame 278 | Catalano, Anthony W. | Terralux, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jun 2036
Term ends Jun 11, 2036. Maintenance fees still fall due before then
Note
The 221 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
22
later US patents cite this one
That is top 25% of utility patents granted in 2018 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.