Term ends Aug 16, 2033 · High confidence
20-year base term ends Apr 27, 2031
Held by Samsung Electronics Co., Ltd. and Kctech Co., Ltd.
Filed Apr 27, 2011 as application 13/095,404 · Granted Nov 11, 2014
Base term plus 842 days of patent term adjustment (USPTO delay)
Today
2011
2033
Clock starts
Apr 27, 2011
Apr 27, 2011
Term ends
Aug 16, 2033
Aug 16, 2033
Granted
Nov 11, 2014
Nov 11, 2014
base term
patent term adjustment
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
842
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
This patent's term runs 842 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Apr 27, 2011, when this application, 13/095,404, was filed | Apr 27, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +842 days, USPTO patent term adjustment record | Aug 16, 2033 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 16, 2033 | High confidence |
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 |
|---|---|---|---|
| Apr 27, 2011 reel/frame not recorded | Goo, Ja Cheul; Ban, Jun Ho; Boo, Jae Phil; Jeon, Chan Woon; Kim, Dong Soo; Seo, Keon Sik | Samsung Electronics Co., Ltd. | Assignment of Assignor's Interest |
| Apr 27, 2011 reel/frame not recorded | Goo, Ja Cheul; Ban, Jun Ho; Boo, Jae Phil; Jeon, Chan Woon; Kim, Dong Soo; Seo, Keon Sik | K. C. Tech Co., Ltd. | Assignment of Assignor's Interest |
| Apr 27, 2011 Reel 26189, frame 336 | Boo, Jae Phil; Kim, Dong Soo; Seo, Keon Sik; Jeon, Chan Woon; Ban, Jun Ho; Goo, Ja Cheul | Samsung Electronics Co., Ltd.; K. C. Tech Co., Ltd. | Assignment of Assignor's Interest |
| Apr 2, 2018 Reel 45414, frame 604 | Kctech Co., Ltd. | KC Co., Ltd. | Change of Name |
| Apr 4, 2018 Reel 45842, frame 185 | Kctech Co., Ltd. | KC Co., Ltd. | Change of Name |
| Apr 19, 2018 Reel 45592, frame 250 | KC Co., Ltd. | Kctech Co., Ltd. | Assignment of Assignor's Interest |
| Oct 20, 2020 Reel 54139, frame 56 | K.C. Tech Co., Ltd. | KC Co., Ltd. | Corrective Assignment to Correct the the Conveying Party Data Company Name Previously Recorded on Reel 045842 Frame 0185. Assignor(S) Hereby Confirms the Change of Name. |
| Jan 21, 2021 reel/frame not recorded | Kctech Co., Ltd. | Samsung Electronics Co., Ltd. | Assignment of Assignor's Interest |
| Jan 21, 2021 reel/frame not recorded | Kctech Co., Ltd. | Kctech Co., Ltd. | Assignment of Assignor's Interest |
| Jan 21, 2021 Reel 55058, frame 388 | Kctech Co., Ltd. | Samsung Electronics Co., Ltd.; Kctech 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
Aug 2033
Term ends Aug 16, 2033. No further fees fall due before then
Note
The 842 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
That is below the median of utility patents granted in 2014 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.