Collateral for a security interest recorded Aug 21, 2026 (Cathay Bank).
Term ends Aug 5, 2040 · High confidence
20-year base term ends Sep 3, 2039
Held by Botrista, Inc.
Filed Sep 3, 2019 as application 16/559,195 · Granted Dec 7, 2021
Base term plus 337 days of patent term adjustment (USPTO delay)
Today
2019
2040
Clock starts
Sep 3, 2019
Sep 3, 2019
Term ends
Aug 5, 2040
Aug 5, 2040
Granted
Dec 7, 2021
Dec 7, 2021
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
337
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.
6
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 337 days past its 20-year base term on prosecution delay. 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 Sep 3, 2019, when this application, 16/559,195, was filed | Sep 3, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +337 days, USPTO patent term adjustment record | Aug 5, 2040 | 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 | Aug 5, 2040 | High confidence |
This family
| US 11,191,387 | this patent Aug 2040 | Aug 2040 |
| US 12,035,841 | In force no later than Sep 2040 | no later than Sep 2040 |
| US 12,042,088 | In force no later than Aug 2040 | no later than Aug 2040 |
| US 12,096,882 | In force no later than Sep 2039 | no later than Sep 2039 |
| US 12,102,258 | In force no later than Sep 2039 | no later than Sep 2039 |
| US 12,137,835 | In force no later than Sep 2039 | no later than Sep 2039 |
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 4, 2019 Reel 50267, frame 436 | Kuo, Wu-chou; Hsu, Hao-che; Lee, Yu-min | Botrista Technology, Inc. | Assignment of Assignor's Interest |
| Apr 15, 2022 Reel 59615, frame 818 | Botrista Technology, Inc. | Pinnacle Ventures, L.l.c. | Security Interest |
| Aug 18, 2022 Reel 60841, frame 887 | Botrista Technology, Inc. | Cathay Bank | Security Interest |
| Jul 31, 2023 Reel 64441, frame 798 | Botrista Technology, Inc. | Cathay Bank | Security Interest |
| Jul 31, 2023 Reel 64435, frame 331 | Pinnacle Ventures, L.l.c. | Botrista Technology, Inc. | Release of Security Interest |
| Apr 11, 2024 Reel 67070, frame 485 | Botrista Technology, Inc. | Botrista, Inc. | Change of Name |
| Feb 13, 2025 Reel 70228, frame 600 | Botrista, Inc., a de Corporation, F/K/A Botrista Technology, Inc. | East West Bank, a California Banking Corporation | Security Interest |
| Aug 20, 2026 Reel 75725, frame 782 | Cathay Bank | Botrista, Inc. | Release of Security Interest |
| Aug 21, 2026 Reel 76262, frame 687 | Botrista, Inc. | Cathay Bank | Security Interest |
| Sep 14, 2026 Reel 76484, frame 140 | East West Bank | Botrista, Inc., a de Corporation, F/K/A Botrista Technology, Inc. | Release of 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
Aug 2040
Term ends Aug 5, 2040. Maintenance fees still fall due before then
Note
The 337 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
7
later US patents cite this one
That is top 25% of utility patents granted in 2021 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.