Also listed on SCT Technology, Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 13, 2035 · High confidence
20-year base term ends Mar 22, 2038
Held by SCT Ltd.
Filed Mar 22, 2018 as application 15/933,370 · Granted Mar 17, 2020
Base term plus 65 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2018
2038
Clock starts
Mar 22, 2018
Mar 22, 2018
Term ends
Jul 13, 2035
Jul 13, 2035
Granted
Mar 17, 2020
Mar 17, 2020
base term
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
65
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 9,747,872.
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.
This patent's term runs 65 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 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 Mar 22, 2018, when this application, 15/933,370, was filed | Mar 22, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +65 days, USPTO patent term adjustment record | May 26, 2038 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,747,872) | capped to Jul 13, 2035 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 13, 2035 | 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 |
|---|---|---|---|
| Jul 23, 2018 Reel 46422, frame 356 | SCT Technology, Ltd. | SCT Ltd. | Assignment of Assignor's Interest |
| Nov 25, 2019 Reel 51108, frame 381 | Li, Eric; Chen, Juinn-yan; Chiou, Shean-yih; Tang, Shang-kuan | SCT Technology, Ltd. | Assignment of Assignor's Interest |
| Sep 17, 2023 Reel 64929, frame 302 | Siliconcore Technology, Inc. | Seoul Semiconductor Co., Ltd. | License |
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
Jul 2035
Term ends Jul 13, 2035. Maintenance fees still fall due before then
Note
The 65 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 9,747,872.
Citations
26
later US patents cite this one
That is top 10% of utility patents granted in 2020 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.