Lapsed Apr 5, 2024 on the fee record · High confidence
20-year base term ends Nov 23, 2031
Second maintenance fee unpaid; grace period ended.
Held by Point Engineering Co., Ltd.
Filed Dec 27, 2013 as application 14/129,731 · Granted Apr 5, 2016
Base term, 20 years from filing, plus 276 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 5, 2024
2011
2032
Clock starts
Nov 23, 2011
Nov 23, 2011
No longer in force
Apr 5, 2024
Apr 5, 2024
Granted
Apr 5, 2016
Apr 5, 2016
Term would have run to
Aug 25, 2032
Aug 25, 2032
base term
patent term adjustment
after the term ends
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
276
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
55
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Aug 25, 2032: its 20-year base term plus 276 days of term adjustment for prosecution delay. 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 Nov 23, 2011, when application PCT/KR2011/008943, the earliest non-provisional in its chain, was filed (this one was filed Dec 27, 2013) | Nov 23, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +276 days, USPTO patent term adjustment record | Aug 25, 2032 | 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 | 1 of 3 maintenance fees paid | lapsed Apr 5, 2024 | High confidence |
| Computed term end | The steps above, in order | Apr 5, 2024 | High confidence |
This family
| US 8,921,879 | In force Mar 2031 | Mar 2031 |
| US 9,287,243 | Lapsed on the fee record Mar 2024 | Mar 2024 |
| US 9,306,142 | this patent Apr 2024 | Apr 2024 |
| Application 14/232,593 | Abandoned not computed | not computed |
| Application 14/343,674 | Abandoned not computed | not computed |
| US 9,281,452 | Lapsed on the fee record Mar 2024 | Mar 2024 |
| US 9,018,651 | Lapsed on the fee record Apr 2023 | Apr 2023 |
| US 9,913,381 | Lapsed on the fee record Mar 2026 | Mar 2026 |
8 of 55 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 |
|---|---|---|---|
| Jan 23, 2014 Reel 32114, frame 387 | Nam, Ki Myung; Song, Tae Hwan; Jun, Young Chul | Point Engineering 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 276 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
That is below the median of utility patents granted in 2016 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.