Term ends Nov 12, 2037 · Medium confidence
20-year base term ends May 19, 2037
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 11,176,231), so the cap could be lower.
Held by Payfone, Inc., D/B/A Prove
Filed Nov 15, 2021 as application 17/527,083 · Granted Jul 9, 2024
Base term plus 177 days of patent term adjustment (USPTO delay)
Today
2017
2037
Clock starts
May 19, 2017
May 19, 2017
Term ends
Nov 12, 2037
Nov 12, 2037
Granted
Jul 9, 2024
Jul 9, 2024
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
177
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,176,231, to Nov 12, 2037. The term already ends on or before that date, so the cap shortened nothing.
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 177 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Nov 15, 2021) | May 19, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +177 days, USPTO patent term adjustment record | Nov 12, 2037 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,176,231) | resolves to Nov 12, 2037, no earlier than this term, so no change | Medium 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 | Nov 12, 2037 | 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 | In force Sep 2038 | Sep 2038 |
| US 12,032,668 | this patent 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 589 | Whaley, John; Somerville, Kurt W. | Unifyid | Assignment of Assignor's Interest |
| Aug 5, 2022 Reel 60731, frame 647 | Unifyid | Payfone, Inc., D/B/A Prove | Assignment of Assignor's Interest |
| Aug 5, 2022 Reel 61099, frame 641 | 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
Nov 2037
Term ends Nov 12, 2037. Maintenance fees still fall due before then
Note
The 177 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 11,176,231, ends no earlier than this term, so it caps nothing.
Citations
4
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.