Collateral for a security interest recorded Nov 10, 2023 (First-Citizens Bank & Trust Company).
Term ends Dec 14, 2040 · Medium confidence
20-year base term ends Sep 17, 2040
Why Medium: A parent in the chain could not be resolved.
Held by Span.io, Inc.
Filed Dec 19, 2022 as application 18/084,384 · Granted Mar 17, 2026
Base term plus 88 days of patent term adjustment (USPTO delay)
Today
2020
2040
Clock starts
Sep 17, 2020
Sep 17, 2020
Term ends
Dec 14, 2040
Dec 14, 2040
Granted
Mar 17, 2026
Mar 17, 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
88
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.
4
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 88 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 Sep 17, 2020, when application 17/024,073, the earliest non-provisional in its chain, was filed (this one was filed Dec 19, 2022); a parent in its chain could not be resolved (the next row) | Sep 17, 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 | +88 days, USPTO patent term adjustment record | Dec 14, 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 14, 2040 | Medium confidence |
This family
| Application 62/901,746 | Provisional application no patent term | no patent term |
| US 11,552,500 | In force Sep 2040 | Sep 2040 |
| Application PCT/US2020/051276 | PCT application no patent term | no patent term |
| US 12,580,414 | this patent Dec 2040 | Dec 2040 |
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 |
|---|---|---|---|
| Dec 19, 2022 Reel 62147, frame 942 | Rao, Archan Padmanabhan; Conway, Chadwick; Weinstein, Jack Jester; Dimen, Ian | Span.io, Inc. | Assignment of Assignor's Interest |
| Nov 10, 2023 Reel 65536, frame 229 | Span.io, Inc. | First-Citizens Bank & Trust Company | First Amendment to Intellectual Property Security Agreement (SENIOR) |
| Nov 10, 2023 Reel 65536, frame 304 | Span.io, Inc. | First-Citizens Bank & Trust Company | First Amendment to Intellectual Property Security Agreement (MEZZANINE) |
| Mar 8, 2024 Reel 66690, frame 773 | Span.io, Inc. | First-Citizens Bank & Trust Company | 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
Dec 2040
Term ends Dec 14, 2040. Maintenance fees still fall due before then
Note
The 88 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.