Term ends May 30, 2039 · Medium confidence
20-year base term ends Dec 13, 2038
Why Medium: A parent in the chain could not be resolved.
Held by Howso Incorporated
Filed Aug 28, 2020 as application 17/006,144 · Granted Jun 6, 2023
USPTO first gave this application the number US 11,455,557 and withdrew it before it issued. That number now leads here.
Base term plus 168 days of patent term adjustment (USPTO delay)
Today
2018
2039
Clock starts
Dec 13, 2018
Dec 13, 2018
Term ends
May 30, 2039
May 30, 2039
Granted
Jun 6, 2023
Jun 6, 2023
base term
patent term adjustment
fee events
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
168
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.
15
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 168 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 Dec 13, 2018, when application 16/219,476, the earliest non-provisional in its chain, was filed (this one was filed Aug 28, 2020); a parent in its chain could not be resolved (the next row) | Dec 13, 2038 | 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 | +168 days, USPTO patent term adjustment record | May 30, 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 30, 2039 | Medium confidence |
This family
| US 11,092,962 | In force Jun 2039 | Jun 2039 |
| Application 16/219,476 | Abandoned not computed | not computed |
| US 11,625,625 | In force Aug 2040 | Aug 2040 |
| US 11,669,769 | this patent May 2039 | May 2039 |
| US 11,676,069 | In force Apr 2039 | Apr 2039 |
| US 11,640,561 | In force Dec 2038 | Dec 2038 |
| US 11,727,286 | In force Jul 2039 | Jul 2039 |
| US 11,941,542 | In force no later than Nov 2038 | no later than Nov 2038 |
8 of 15 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 15, 2022 Reel 60811, frame 403 | Hazard, Christopher James; Sakrepatna Srinivasamurthy, Ravisutha; Cheeseman, David R.; Korobov, Valeri A.; Koistinen, Martin James; Fulp, Matthew Chase; Resnick, Michael | Diveplane Corporation | Assignment of Assignor's Interest |
| Jan 31, 2023 Reel 62554, frame 106 | Diveplane Corporation | Western Alliance Bank | Security Interest |
| Sep 22, 2023 Reel 65021, frame 691 | Diveplane Corporation | Howso Incorporated | Change of Name |
| Sep 28, 2023 Reel 65081, frame 559 | Diveplane Corporation | Howso Incorporated | Change of Name |
| Jan 22, 2025 Reel 69988, frame 38 | Western Alliance Bank | Howso Incorporated | Termination and Release of Intellectual Property Security Agreement |
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.
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Alerts on its grants, lapses and transfers.
What's changing
May 2039
Term ends May 30, 2039. Maintenance fees still fall due before then
Note
The 168 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
That is top 25% 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.