Term ends Jun 10, 2042 · High confidence
20-year base term ends Nov 6, 2040
Held by Nextpower LLC
Filed Oct 11, 2021 as application 17/498,743 · Granted Jun 17, 2025
Base term plus 581 days of patent term adjustment (USPTO delay)
Today
2020
2042
Clock starts
Nov 6, 2020
Nov 6, 2020
Term ends
Jun 10, 2042
Jun 10, 2042
Granted
Jun 17, 2025
Jun 17, 2025
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
581
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.
5
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 581 days past its 20-year base term on prosecution delay. 0 of 3 maintenance fees are paid so far. Confidence: High. 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 Nov 6, 2020, when application 17/091,523, the earliest non-provisional in its chain, was filed (this one was filed Oct 11, 2021) | Nov 6, 2040 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +581 days, USPTO patent term adjustment record | Jun 10, 2042 | 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 | Jun 10, 2042 | High confidence |
This family
| US 11,168,456 | In force Oct 2039 | Oct 2039 |
| US 12,331,479 | this patent Jun 2042 | Jun 2042 |
| US 12,359,389 | In force no later than Apr 2043 | no later than Apr 2043 |
| US 12,540,447 | In force Dec 2026 | Dec 2026 |
| Application 19/422,768 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Nov 6, 2023 Reel 65471, frame 122 | Kraft, Steven; West, Jack; Flanigan, Daniel | Ojjo, Inc. | Assignment of Assignor's Interest |
| Jul 31, 2026 Reel 75480, frame 625 | Ojjo, Inc. | Nextpower LLC | Assignment of Assignor's 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.
What's changing
Jun 2042
Term ends Jun 10, 2042. Maintenance fees still fall due before then
Note
The 581 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 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.