Collateral for a security interest recorded Mar 8, 2023 (VFP, LLC).
Term ends Oct 29, 2033 · High confidence
20-year base term ends Mar 20, 2033
Held by Linear Labs, Inc.
Filed Sep 25, 2015 as application 14/866,788 · Granted Apr 16, 2019
Base term plus 223 days of patent term adjustment (USPTO delay)
Today
2013
2033
Clock starts
Mar 20, 2013
Mar 20, 2013
Term ends
Oct 29, 2033
Oct 29, 2033
Granted
Apr 16, 2019
Apr 16, 2019
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
223
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,419,483, to Oct 29, 2033. The term already ends on or before that date, so the cap shortened nothing.
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.
22
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 223 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is 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 Mar 20, 2013, when application 13/848,048, the earliest non-provisional in its chain, was filed (this one was filed Sep 25, 2015) | Mar 20, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +223 days, USPTO patent term adjustment record | Oct 29, 2033 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,419,483) | resolves to Oct 29, 2033, no earlier than this term, so no change | 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 | Oct 29, 2033 | High confidence |
This family
| US 9,419,483 | In force Oct 2034 | Oct 2034 |
| Application 14/608,232 | Abandoned not computed | not computed |
| US 10,263,480 | this patent Oct 2033 | Oct 2033 |
| US 10,284,029 | In force Jan 2034 | Jan 2034 |
| US 10,476,362 | In force Sep 2037 | Sep 2037 |
| Application PCT/US2016/026776 | PCT application no patent term | no patent term |
| Application PCT/US2016/039673 | PCT application no patent term | no patent term |
| Application 15/413,228 | Abandoned not computed | not computed |
8 of 22 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 |
|---|---|---|---|
| Dec 1, 2015 Reel 37173, frame 95 | Hunstable, Fred E. | Linear Labs, Inc. | Assignment of Assignor's Interest |
| Sep 28, 2018 Reel 47159, frame 352 | Hunstable, Fred E. | Linear Labs, LLC | Corrective Assignment to Correct the Assignee Entity Type from Inc. to LLC, and State of Incorporation from Texas to Delaware Previously Recorded on Reel 037173 Frame 0095. Assignor(S) Hereby Confirms the Assignment. |
| Feb 12, 2020 Reel 51906, frame 261 | Linear Labs, LLC | Linear Labs, Inc. | Conversion |
| 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
Oct 2033
Term ends Oct 29, 2033.
Note
The 223 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,419,483, ends no earlier than this term, so it caps nothing.
Citations
38
later US patents cite this one
That is top 10% of utility patents granted in 2019 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.