Term ends Sep 10, 2038 · Medium confidence
20-year base term ends May 19, 2037
Why Medium: A parent in the chain could not be resolved.
Held by Payfone, Inc., D/B/A Prove
Filed Sep 14, 2021 as application 17/475,191 · Granted Aug 18, 2026
Base term plus 479 days of patent term adjustment (USPTO delay)
Today
2017
2038
Clock starts
May 19, 2017
May 19, 2017
Term ends
Sep 10, 2038
Sep 10, 2038
Granted
Aug 18, 2026
Aug 18, 2026
base term
patent term adjustment
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
479
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.
6
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 479 days past its 20-year base term on prosecution delay. 0 of 3 maintenance fees are paid so far. Confidence: Medium. 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 19, 2017, when application 15/600,140, the earliest non-provisional in its chain, was filed (this one was filed Sep 14, 2021); a parent in its chain could not be resolved (the next row) | May 19, 2037 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +479 days, USPTO patent term adjustment record | Sep 10, 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Sep 10, 2038 | Medium confidence |
This family
| US 11,176,231 | In force no later than Jun 2038 | no later than Jun 2038 |
| US 11,368,454 | In force no later than Sep 2037 | no later than Sep 2037 |
| US 12,711,210 | this patent Sep 2038 | Sep 2038 |
| US 12,032,668 | In force Nov 2037 | Nov 2037 |
| Application 19/027,888 | Pending not computed | not computed |
5 of 6 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 |
|---|---|---|---|
| Aug 5, 2022 Reel 60731, frame 688 | Whaley, John; Somerville, Kurt W. | Unifyid | Assignment of Assignor's Interest |
| Aug 5, 2022 Reel 60731, frame 712 | Unifyid | Payfone, Inc., D/B/A Prove | Assignment of Assignor's Interest |
| Aug 5, 2022 Reel 61099, frame 637 | Payfone, Inc. | Prove Identity, Inc. | Change of Name |
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.
What's changing
Sep 2038
Term ends Sep 10, 2038. Maintenance fees still fall due before then
Note
The 479 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.