Term ends Aug 17, 2036 · High confidence
20-year base term ends Aug 3, 2036
Held by Ticona LLC
Filed Aug 18, 2023 as application 18/451,874 · Granted Jun 17, 2025
Base term plus 14 days of patent term adjustment (USPTO delay)
Today
2016
2036
Clock starts
Aug 3, 2016
Aug 3, 2016
Term ends
Aug 17, 2036
Aug 17, 2036
Granted
Jun 17, 2025
Jun 17, 2025
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
14
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 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.
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 runs 14 days past its 20-year base term on 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 Aug 3, 2016, when application 15/227,257, the earliest non-provisional in its chain, was filed (this one was filed Aug 18, 2023) | Aug 3, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +14 days, USPTO patent term adjustment record | Aug 17, 2036 | 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 | Aug 17, 2036 | High confidence |
This family
| US 10,106,682 | In force Oct 2036 | Oct 2036 |
| US 10,767,049 | In force Aug 2036 | Aug 2036 |
| US 11,214,683 | In force Aug 2036 | Aug 2036 |
| US 11,820,892 | In force Aug 2036 | Aug 2036 |
| US 12,331,194 | this patent Aug 2036 | Aug 2036 |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2036
Term ends Aug 17, 2036. Maintenance fees still fall due before then
Note
The 14 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 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.