Term ends Jun 30, 2038 · High confidence
20-year base term ends Oct 13, 2037
Held by T Stamp Inc.
Filed Oct 13, 2017 as application 15/782,940 · Granted Apr 28, 2020
Base term plus 260 days of patent term adjustment (USPTO delay)
Today
2017
2038
Clock starts
Oct 13, 2017
Oct 13, 2017
Term ends
Jun 30, 2038
Jun 30, 2038
Granted
Apr 28, 2020
Apr 28, 2020
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
260
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
8
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 260 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Oct 13, 2017, when this application, 15/782,940, was filed | Oct 13, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +260 days, USPTO patent term adjustment record | Jun 30, 2038 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 30, 2038 | High confidence |
This family
| US 10,635,894 | this patent Jun 2038 | Jun 2038 |
| US 11,244,152 | In force Feb 2038 | Feb 2038 |
| US 11,263,440 | In force Feb 2038 | Feb 2038 |
| US 11,263,439 | In force Feb 2038 | Feb 2038 |
| US 11,263,441 | In force Feb 2038 | Feb 2038 |
| US 11,373,449 | In force Feb 2038 | Feb 2038 |
| US 11,263,442 | In force Feb 2038 | Feb 2038 |
| US 12,676,024 | In force Jul 2039 | Jul 2039 |
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 |
|---|---|---|---|
| Feb 14, 2020 Reel 51825, frame 850 | Genner, Gareth | T Stamp Inc. | Assignment of Assignor's Interest |
| Nov 21, 2024 Reel 69362, frame 398 | T Stamp Inc. | Sentilink Corp. | Security Interest |
| Jan 17, 2025 Reel 69918, frame 538 | Sentilink Corp. | T Stamp Inc. | Release of Security Interest |
| Jul 2, 2025 Reel 71800, frame 427 | T Stamp Inc. | Streeterville Capital, LLC | Security Interest |
| Oct 6, 2025 Reel 73010, frame 488 | Streeterville Capital, LLC | T Stamp Inc. | Release of 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
Jun 2038
Term ends Jun 30, 2038. Maintenance fees still fall due before then
Note
The 260 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
27
later US patents cite this one
That is top 10% of utility patents granted in 2020 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.