Also listed on Quantum Benchmark, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Sep 29, 2043 · High confidence
20-year base term ends Sep 25, 2040
Filed Sep 25, 2020 as application 17/032,508 · Granted Aug 4, 2026
Base term plus 1099 days of patent term adjustment (USPTO delay)
Today
2020
2043
Clock starts
Sep 25, 2020
Sep 25, 2020
Term ends
Sep 29, 2043
Sep 29, 2043
Granted
Aug 4, 2026
Aug 4, 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
1,099
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.
This patent's term runs 1099 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 Sep 25, 2020, when this application, 17/032,508, was filed | Sep 25, 2040 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1099 days, USPTO patent term adjustment record | Sep 29, 2043 | 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 | Sep 29, 2043 | High confidence |
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 |
|---|---|---|---|
| Sep 29, 2020 Reel 53914, frame 542 | Winick, Adam B.; Wallman, Joel J. | Quantum Benchmark, Inc. | Assignment of Assignor's Interest |
| Jun 9, 2021 Reel 56528, frame 900 | Quantum Benchmark Inc. | Keysight Technologies Canada Inc. | Merger |
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
Sep 2043
Term ends Sep 29, 2043. Maintenance fees still fall due before then
Note
The 1099 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.