Collateral for a security interest recorded Mar 8, 2023 (VFP, LLC).
Term ends Jan 15, 2041 · High confidence
20-year base term ends Aug 26, 2040
Held by Linear Labs, Inc.
Filed Aug 26, 2020 as application 17/003,905 · Granted Nov 15, 2022
Base term plus 142 days of patent term adjustment (USPTO delay)
Today
2020
2041
Clock starts
Aug 26, 2020
Aug 26, 2020
Term ends
Jan 15, 2041
Jan 15, 2041
Granted
Nov 15, 2022
Nov 15, 2022
base term
patent term adjustment
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
142
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.
19
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 142 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 Aug 26, 2020, when this application, 17/003,905, was filed | Aug 26, 2040 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +142 days, USPTO patent term adjustment record | Jan 15, 2041 | 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 | Jan 15, 2041 | High confidence |
This family
| US 11,532,963 | In force Oct 2040 | Oct 2040 |
| US 11,502,570 | this patent Jan 2041 | Jan 2041 |
| Application 17/412,043 | Abandoned not computed | not computed |
| Application 17/412,117 | Abandoned not computed | not computed |
| US 11,588,366 | In force Jun 2042 | Jun 2042 |
| US 12,009,717 | In force Aug 2040 | Aug 2040 |
| US 11,784,529 | In force Aug 2040 | Aug 2040 |
| US 12,184,140 | In force Jan 2041 | Jan 2041 |
8 of 19 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 |
|---|---|---|---|
| Sep 2, 2020 Reel 53674, frame 144 | Hunstable, Fred E.; Van Steenburg, Michael; Popov, Andrei V. | Linear Labs, Inc. | Assignment of Assignor's Interest |
| Oct 6, 2022 Reel 61341, frame 90 | Hunstable, Fred E.; Van Steenburg, Michael; Popov, Andrei V. | Linear Labs, Inc. | Assignment of Assignor's Interest |
| Mar 8, 2023 Reel 62992, frame 725 | Linear Labs, Inc. | VFP, LLC | 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
Jan 2041
Term ends Jan 15, 2041.
Note
The 142 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
18
later US patents cite this one
That is top 5% of utility patents granted in 2022 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.