Collateral for a security interest recorded Jul 31, 2022 (Newlight Capital LLC).
Term ends Dec 24, 2026 · High confidence
20-year base term ended Sep 9, 2024
Held by Conxtech, Inc.
Filed Sep 9, 2004 as application 10/938,909 · Granted Nov 24, 2009
Base term plus 836 days of patent term adjustment (USPTO delay)
Today
2004
2026
Clock starts
Sep 9, 2004
Sep 9, 2004
Term ends
Dec 24, 2026
Dec 24, 2026
Granted
Nov 24, 2009
Nov 24, 2009
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
836
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.
4
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 836 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 Sep 9, 2004, when this application, 10/938,909, was filed | Sep 9, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +836 days, USPTO patent term adjustment record | Dec 24, 2026 | 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 | Dec 24, 2026 | High confidence |
This family
| US 7,621,099 | this patent Dec 2026 | Dec 2026 |
| US 7,716,820 | Term ended Oct 2024 | Oct 2024 |
| US 8,205,312 | Term ended Sep 2024 | Sep 2024 |
| Application 12/868,723 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Dec 23, 2004 Reel 15485, frame 654 | Simmons, Robert J. | R.J.S. & Associates, Inc. | Assignment of Assignor's Interest |
| Dec 23, 2004 Reel 15485, frame 699 | R.J.S. & Associates, Inc. | Conxtech, Inc. | Assignment of Assignor's Interest |
| Dec 23, 2004 Reel 15485, frame 734 | Conxtech, Inc. | Columbus Nova Partners, LLC | Patent, Trademark and Copyright Security Agreement |
| Jun 13, 2005 Reel 16132, frame 227 | Conxtech, Inc. | Columbus Nova Partners, LLC | Security Agreement |
| Jan 25, 2008 Reel 20417, frame 273 | Columbus Nova Partners, LLC | Conxtech, Inc. | Release of Security Interest |
| Mar 28, 2011 Reel 26035, frame 257 | Conxtech, Inc. | James D. Warren, as Trustee of the Matilda Trust, as Collateral Agent | Security Agreement |
| Sep 11, 2013 Reel 31186, frame 965 | James D. Warren, as Trustee of the Matilda Trust, as Collateral Agent | Conxtech, Inc. | Release of Security Interest |
| Feb 26, 2015 Reel 35041, frame 339 | Columbus Nove Partners, LLC | Conxtech, Inc. | Release of Security 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
Dec 2026
Term ends Dec 24, 2026. No further fees fall due before then
Note
The 836 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
35
later US patents cite this one
That is top 25% of utility patents granted in 2009 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.