Collateral for a security interest recorded Jul 31, 2022 (Newlight Capital LLC).
Term ends May 22, 2033 · High confidence
20-year base term ends Apr 28, 2032
Held by Conxtech, Inc.
Filed Apr 28, 2012 as application 13/459,134 · Granted Feb 10, 2015
Base term plus 389 days of patent term adjustment (USPTO delay)
Today
2012
2033
Clock starts
Apr 28, 2012
Apr 28, 2012
Term ends
May 22, 2033
May 22, 2033
Granted
Feb 10, 2015
Feb 10, 2015
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
389
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.
3
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 389 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 Apr 28, 2012, when this application, 13/459,134, was filed | Apr 28, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +389 days, USPTO patent term adjustment record | May 22, 2033 | 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 | May 22, 2033 | High confidence |
This family
| US 8,950,648 | this patent May 2033 | May 2033 |
| US 9,815,151 | In force Apr 2032 | Apr 2032 |
| US 10,245,685 | In force Apr 2032 | Apr 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 28, 2012 Reel 28124, frame 73 | Simmons, Robert J. | Conxtech, Inc. | Assignment of Assignor's Interest |
| Jan 8, 2019 Reel 47935, frame 187 | Conxtech, Inc.; Smrsf LLC; Conxtech Construction, Inc. | Avidbank | Security Interest |
| Jan 7, 2020 reel/frame not recorded | Avidbank | Conxtech, Inc. | Release of Security Interest |
| Jan 7, 2020 reel/frame not recorded | Avidbank | Conxtech Construction Inc. | Release of Security Interest |
| Jan 7, 2020 reel/frame not recorded | Avidbank | Smrsf, LLC | Release of Security Interest |
| Jan 7, 2020 Reel 51439, frame 336 | Avidbank | Conxtech, Inc.; Conxtech Construction Inc.; Smrsf, LLC | Release of Security Interest |
| Jul 31, 2022 Reel 61033, frame 1 | Conxtech, Inc.; Conxtech Construction, Inc. | Newlight Capital LLC | Security Interest |
| Nov 10, 2023 Reel 65535, frame 423 | Conxtech, Inc.; Conxtech Construction Inc. | Gallagher IP Solutions LLC | Security 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 2033
Term ends May 22, 2033. No further fees fall due before then
Note
The 389 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
15
later US patents cite this one
That is above the median of utility patents granted in 2015 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.