Term ends Feb 10, 2031 · High confidence
20-year base term ends Feb 10, 2031
Held by Pantech Corporation
Filed May 17, 2021 as application 17/322,832 · Granted May 23, 2023
Base term plus 67 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
May 23, 2023
May 23, 2023
base term
fee events
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
67
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.
1 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 67 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 1 maintenance fees is 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 May 17, 2021) | Feb 10, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +67 days, USPTO patent term adjustment record | Apr 18, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,012,954) | capped to Feb 10, 2031 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 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 | this patent Feb 2031 | Feb 2031 |
| US 12,764,680 | In force 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.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| May 28, 2025 Reel 71243, frame 514 | Kwon, Kibum; Jung, Myungcheul | Pantech Co., Ltd. | Assignment of Assignor's Interest |
| May 28, 2025 Reel 71243, frame 571 | Pantech Inc. | Goldpeak Innovations Inc. | Assignment of Assignor's Interest |
| May 28, 2025 Reel 71436, frame 566 | Pantech Co., Ltd. | Pantech Inc. | Assignment of Assignor's Interest |
| Jan 12, 2026 Reel 73509, frame 144 | Goldpeak Innovations Inc. | Pantech Corporation | Assignment of Assignor's Interest |
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
Feb 2031
Term ends Feb 10, 2031. No further fees fall due before then
Note
The 67 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.
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.