1 patent currently held
22 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
2 more records may belong here and await a decision; they are not counted.
The next term ends in Jul 2035. from the record
Of the 22 now held by other companies, 22 name SCT Ltd. as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Jul 2035
Next term end
1
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
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
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Only 1 of the currently held patents qualifies as notable.
Formerly held, still cited
Notable
Ends Nov 2035 · High confidence
The most cited patent in this portfolio, cited by 153 later US patents, top 5% of utility patents granted in 2017 in our data. Protection runs to 2035.
now held by SCT Ltd.
Also notable
Ends Dec 2032 · High confidence
Cited by 23 later US patents, top 25% of utility patents granted in 2015 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2032. A terminal disclaimer caps this term to an earlier patent's.
now held by SCT Ltd.
Also notable
Ends Jul 2035 · High confidence
Granted 2017 and renewed at every maintenance window due so far. Protection runs to 2035.
now held by SCT Ltd.
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Sep 17, 2027The maintenance fee for LED Display Device and Method for Operating the Same (US 10,593,256) comes due Sep 17, 2027. Unpaid by Mar 17, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first.
Showing 1 to 1 of 1
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,593,256 | LED Display Device and Method for Operating the Same held by SCT Ltd. In force · High confidence | In force | High confidence |
Also on record, not counted in the 1: 22 patents in force now held by others · 1 patent ended · 1 application abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.