Term ends Apr 3, 2035 · High confidence
20-year base term ends Apr 3, 2035
Held by TS Tech Co., Ltd.
Filed Mar 24, 2023 as application 18/189,502 · Granted Apr 2, 2024
Base term, 20 years from filing
Today
2015
2035
Clock starts
Apr 3, 2015
Apr 3, 2015
Term ends
Apr 3, 2035
Apr 3, 2035
Granted
Apr 2, 2024
Apr 2, 2024
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
7
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 is its 20-year base term, with no adjustment for prosecution delay. 0 of 2 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 Apr 3, 2015, when application PCT/JP2015/060564, the earliest non-provisional in its chain, was filed (this one was filed Mar 24, 2023) | Apr 3, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 3, 2035 | High confidence |
This family
| US 10,399,470 | In force Oct 2035 | Oct 2035 |
| US 11,001,176 | In force Apr 2035 | Apr 2035 |
| US 11,618,356 | In force Apr 2035 | Apr 2035 |
| US 11,945,347 | this patent Apr 2035 | Apr 2035 |
| US 12,286,042 | In force Apr 2035 | Apr 2035 |
| Application 18/952,764 | Pending not computed | not computed |
6 of 7 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
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
Apr 2035
Term ends Apr 3, 2035. Maintenance fees still fall due before then
Citations
0
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.