Term ends Jan 15, 2039 · High confidence
20-year base term ends Aug 29, 2038
Held by 2SURV, Inc.
Filed Mar 26, 2024 as application 18/616,530 · Granted Sep 22, 2026
Base term plus 139 days of patent term adjustment (USPTO delay)
Today
2018
2039
Clock starts
Aug 29, 2018
Aug 29, 2018
Term ends
Jan 15, 2039
Jan 15, 2039
Granted
Sep 22, 2026
Sep 22, 2026
base term
patent term adjustment
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
139
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
10
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 139 days past its 20-year base term on prosecution delay. 0 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 Aug 29, 2018, when application 16/115,871, the earliest non-provisional in its chain, was filed (this one was filed Mar 26, 2024) | Aug 29, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +139 days, USPTO patent term adjustment record | Jan 15, 2039 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 15, 2039 | High confidence |
This family
| US 10,730,685 | In force Dec 2038 | Dec 2038 |
| US 11,401,102 | In force Dec 2038 | Dec 2038 |
| US 11,772,875 | In force Aug 2038 | Aug 2038 |
| US 12,280,937 | In force Sep 2038 | Sep 2038 |
| US 12,741,802 | this patent Jan 2039 | Jan 2039 |
| US 12,741,803 | In force Aug 2038 | Aug 2038 |
| US 12,729,051 | In force Aug 2038 | Aug 2038 |
| Application PCT/US2025/018534 | PCT application no patent term | no patent term |
8 of 10 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 |
|---|---|---|---|
| Mar 26, 2024 Reel 66901, frame 802 | White, Russell W.; Roberts, Shawn A.; Roberts, Laura J. | 2SURV, 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
Jan 2039
Term ends Jan 15, 2039. Maintenance fees still fall due before then
Note
The 139 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.