Collateral for a security interest recorded Aug 15, 2023 (Verisfi I, LLC).
Term ends May 4, 2040 · Medium confidence
20-year base term ends Jan 28, 2040
Why Medium: A parent in the chain could not be resolved.
Held by Pison Technology, Inc.
Filed Jun 4, 2021 as application 17/339,513 · Granted Jan 31, 2023
Base term plus 97 days of patent term adjustment (USPTO delay)
Today
2020
2040
Clock starts
Jan 28, 2020
Jan 28, 2020
Term ends
May 4, 2040
May 4, 2040
Granted
Jan 31, 2023
Jan 31, 2023
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
97
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.
24
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 97 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Jan 28, 2020, when application 16/774,825, the earliest non-provisional in its chain, was filed (this one was filed Jun 4, 2021); a parent in its chain could not be resolved (the next row) | Jan 28, 2040 | 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 | +97 days, USPTO patent term adjustment record | May 4, 2040 | 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 | May 4, 2040 | Medium confidence |
This family
| Application 16/774,825 | Abandoned not computed | not computed |
| US 11,157,086 | In force Jan 2040 | Jan 2040 |
| US 11,199,908 | In force Jan 2040 | Jan 2040 |
| Application PCT/US2021/014723 | PCT application no patent term | no patent term |
| Application PCT/US2021/014694 | PCT application no patent term | no patent term |
| Application PCT/US2021/014659 | PCT application no patent term | no patent term |
| US 11,567,581 | this patent May 2040 | May 2040 |
| US 11,262,851 | In force Jan 2040 | Jan 2040 |
8 of 24 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 |
|---|---|---|---|
| Jun 15, 2021 Reel 56545, frame 785 | Cipoletta, David O.; Ang, Dexter W. | Pison Technology, Inc. | Assignment of Assignor's Interest |
| Aug 15, 2023 Reel 64593, frame 223 | Pison Technology, Inc. | Verisfi I, LLC | Security Interest |
| Dec 19, 2025 Reel 73278, frame 507 | Versifi I, LLC | Pison Technology, Inc. | Release of Security Interest |
| Jan 5, 2026 Reel 74199, frame 323 | Pison Technology, Inc. | Schoeller Invest GmbH | 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
May 2040
Term ends May 4, 2040. Maintenance fees still fall due before then
Note
The 97 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2023 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.