Term ends Feb 10, 2031 · High confidence
20-year base term ends Feb 10, 2031
Held by Pantech Corporation
Filed Apr 18, 2023 as application 18/136,253 · Granted Oct 13, 2026
Base term plus 623 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2011
2031
Clock starts
Feb 10, 2011
Feb 10, 2011
Term ends
Feb 10, 2031
Feb 10, 2031
Granted
Oct 13, 2026
Oct 13, 2026
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
623
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 11,012,954, US 11,659,503.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
12
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 623 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 1 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 Feb 10, 2011, when application PCT/KR2011/000909, the earliest non-provisional in its chain, was filed (this one was filed Apr 18, 2023) | Feb 10, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +623 days, USPTO patent term adjustment record | Oct 25, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,012,954, US 11,659,503) | capped to Feb 10, 2031 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 10, 2031 | High confidence |
This family
| US 8,893,052 | In force Jun 2031 | Jun 2031 |
| US 9,054,835 | In force Oct 2031 | Oct 2031 |
| US 9,063,654 | In force Aug 2033 | Aug 2033 |
| US 9,854,545 | In force Apr 2031 | Apr 2031 |
| Application 15/820,980 | Abandoned not computed | not computed |
| US 11,012,954 | In force Feb 2031 | Feb 2031 |
| US 11,659,503 | In force Feb 2031 | Feb 2031 |
| US 12,764,680 | this patent Feb 2031 | Feb 2031 |
8 of 12 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2031
Term ends Feb 10, 2031. Maintenance fees still fall due before then
Note
The 623 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 11,012,954, US 11,659,503.
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.