Term ends Jun 29, 2035 · High confidence
20-year base term ends Jun 29, 2035
Held by SK Telecom Co., Ltd.
Filed Sep 15, 2023 as application 18/368,779 · Granted Jan 7, 2025
Base term, 20 years from filing
Today
2015
2035
Clock starts
Jun 29, 2015
Jun 29, 2015
Term ends
Jun 29, 2035
Jun 29, 2035
Granted
Jan 7, 2025
Jan 7, 2025
base term
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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 Jun 29, 2015, when application PCT/KR2015/006658, the earliest non-provisional in its chain, was filed (this one was filed Sep 15, 2023) | Jun 29, 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 | Jun 29, 2035 | High confidence |
This family
| US 10,278,210 | In force Dec 2035 | Dec 2035 |
| US 10,813,139 | In force Jun 2035 | Jun 2035 |
| US 11,272,549 | In force Jun 2035 | Jun 2035 |
| US 11,800,565 | In force Jun 2035 | Jun 2035 |
| US 12,193,071 | this patent Jun 2035 | Jun 2035 |
| Application 18/977,941 | 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
Jun 2035
Term ends Jun 29, 2035. Maintenance fees still fall due before then
Citations
1
later US patent cites 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.