Term ends Jul 16, 2039 · High confidence
20-year base term ends May 3, 2039
Held by T Stamp Inc.
Filed Aug 13, 2021 as application 17/401,504 · Granted Apr 30, 2024
Base term plus 74 days of patent term adjustment (USPTO delay)
Today
2019
2039
Clock starts
May 3, 2019
May 3, 2019
Term ends
Jul 16, 2039
Jul 16, 2039
Granted
Apr 30, 2024
Apr 30, 2024
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
74
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.
2
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 74 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 May 3, 2019, when application 16/403,106, the earliest non-provisional in its chain, was filed (this one was filed Aug 13, 2021) | May 3, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +74 days, USPTO patent term adjustment record | Jul 16, 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 | Jul 16, 2039 | High confidence |
This family
| US 11,093,771 | In force Jun 2039 | Jun 2039 |
| US 11,972,637 | this patent 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 |
|---|---|---|---|
| Aug 30, 2022 Reel 60940, frame 185 | Genner, Gareth | T Stamp Inc. | Assignment of Assignor's 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
Jul 2039
Term ends Jul 16, 2039. Maintenance fees still fall due before then
Note
The 74 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.