Also listed on Stcube & Co., Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 30, 2040 · High confidence
20-year base term ends Mar 24, 2037
Filed Sep 19, 2018 as application 16/086,574 · Granted Aug 13, 2024
Base term plus 1377 days of patent term adjustment (USPTO delay)
Today
2017
2040
Clock starts
Mar 24, 2017
Mar 24, 2017
Term ends
Dec 30, 2040
Dec 30, 2040
Granted
Aug 13, 2024
Aug 13, 2024
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
1,377
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.
2
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 1377 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 Mar 24, 2017, when application PCT/US2017/024024, the earliest non-provisional in its chain, was filed (this one was filed Sep 19, 2018) | Mar 24, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1377 days, USPTO patent term adjustment record | Dec 30, 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 30, 2040 | High confidence |
This family
| Application PCT/US2017/024024 | PCT application no patent term | no patent term |
| US 12,059,474 | this patent Dec 2040 | Dec 2040 |
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 |
|---|---|---|---|
| Aug 8, 2019 Reel 49999, frame 633 | Yoo, Stephen S. | Stcube & Co., Inc. | Assignment of Assignor's Interest |
| Aug 8, 2019 Reel 49999, frame 909 | Hung, Mien-chie | Board of Regents, the University of Texas System | Assignment of Assignor's Interest |
| Aug 9, 2019 Reel 50017, frame 917 | Yoo, Stephen S. | Stcube & Co., Inc. | Corrective Assignment to Correct the Country Address for Assignee Previously Recorded on Reel 049999 Frame 0633. Assignor(S) Hereby Confirms the Assignment. |
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
Dec 2040
Term ends Dec 30, 2040. Maintenance fees still fall due before then
Note
The 1377 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
5
later US patents cite this one
Fewer than half of the utility patents granted in 2024 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.