Term ends Dec 19, 2037 · High confidence
20-year base term ends Dec 19, 2037
Held by TDK Electronics AG
Filed Sep 22, 2021 as application 17/482,089 · Granted Nov 21, 2023
USPTO first gave this application the number US 11,776,761 and withdrew it before it issued. That number now leads here.
Base term, 20 years from filing
Today
2017
2037
Clock starts
Dec 19, 2017
Dec 19, 2017
Term ends
Dec 19, 2037
Dec 19, 2037
Granted
Nov 21, 2023
Nov 21, 2023
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 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.
5
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 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 Dec 19, 2017, when application PCT/EP2017/083574, the earliest non-provisional in its chain, was filed (this one was filed Sep 22, 2021) | Dec 19, 2037 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 19, 2037 | High confidence |
This family
| US 11,158,464 | In force Jan 2038 | Jan 2038 |
| US 11,823,847 | this patent Dec 2037 | Dec 2037 |
| US 11,942,280 | In force Dec 2037 | Dec 2037 |
| US 11,935,707 | In force Dec 2037 | Dec 2037 |
4 of 5 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
Dec 2037
Term ends Dec 19, 2037. Maintenance fees still fall due before then
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2023 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.