Also listed on SK Telecom Co., Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 14, 2035 · High confidence
20-year base term ends Jun 29, 2035
Filed Dec 21, 2016 as application 15/320,751 · Granted Apr 30, 2019
Base term plus 168 days of patent term adjustment (USPTO delay)
Today
2015
2035
Clock starts
Jun 29, 2015
Jun 29, 2015
Term ends
Dec 14, 2035
Dec 14, 2035
Granted
Apr 30, 2019
Apr 30, 2019
base term
patent term adjustment
fee events
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
168
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
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 runs 168 days past its 20-year base term on prosecution delay. 2 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 Jun 29, 2015, when application PCT/KR2015/006658, the earliest non-provisional in its chain, was filed (this one was filed Dec 21, 2016) | Jun 29, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +168 days, USPTO patent term adjustment record | Dec 14, 2035 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 14, 2035 | High confidence |
This family
| US 10,278,210 | this patent 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 | In force 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.
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 |
|---|---|---|---|
| Dec 23, 2016 Reel 40761, frame 720 | Ahn, Woojin; Kim, Yongho; Son, Juhyung; Kwak, Jinsam | Wilus Institute of Standards and Technology Inc. | Assignment of Assignor's Interest |
| Jul 18, 2018 Reel 46584, frame 320 | Wilus Institute of Standards and Technology Inc. | Wilus Institute of Standards and Technology Inc.; SK Telecom Co., Ltd. | Assignment of Assignor's Interest |
| Jul 18, 2018 reel/frame not recorded | Wilus Institute of Standards and Technology Inc. | Wilus Institute of Standards and Technology Inc. | Assignment of Assignor's Interest |
| Jul 18, 2018 reel/frame not recorded | Wilus Institute of Standards and Technology Inc. | SK Telecom Co., Ltd. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2035
Term ends Dec 14, 2035. Maintenance fees still fall due before then
Note
The 168 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
72
later US patents cite this one
That is top 5% of utility patents granted in 2019 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.