4 patents currently held
1,180 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.
The next term ends in Sep 2029. from the record
Of the 1,180 now held by other companies, 1,158 name Magnolia Blue Corporation as their current owner, and 22 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
1
Ending by 2030
Sep 2029
Next term end
4
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
Notable
Ends Aug 2037 · High confidence
Also notable
Ends Sep 2029 · High confidence
Also notable
Ends May 2033 · High confidence
Display Device Having Multiple Protective Films and Wiring Layer
US 11,751,451
A family of 26 related applications built on the 2023 grant. Protection runs to 2037.
Display Panel Device and Control Method Thereof
US 8,111,221
Renewed at every maintenance window since the 2012 grant; no more fees are due before its term ends in 2029.
El Display Device
US 9,262,959
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2033.
Formerly held, still cited
Notable
Ends Apr 2034 · High confidence
Cited by 131 later US patents, top 5% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2034.
now held by Magnolia Blue Corporation
Also notable
Ends Sep 2035 · High confidence
Cited by 27 later US patents, top 10% of utility patents granted in 2019 in our data, and renewed at 2 of 3 maintenance windows. Protection runs to 2035.
now held by Magnolia Blue Corporation
Also notable
Ends Mar 2032 · High confidence
Cited by 46 later US patents, top 10% of utility patents granted in 2015 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2032.
now held by Magnolia Blue Corporation
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 Feb 8, 2027The maintenance fee for Display Panel with Opening Adjusting Layer (US 11,723,235) comes due Feb 8, 2027. Unpaid by Aug 9, 2027, it lapses early.
- 1 fee due Mar 5, 2027The maintenance fee for Display Device Having Multiple Protective Films and Wiring Layer (US 11,751,451) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
- 1 fee due Aug 16, 2027The maintenance fee for El Display Device (US 9,262,959) comes due Aug 16, 2027. Unpaid by Feb 16, 2028, it lapses early.
Recent changes
- 2 terms have ended since Aug 16, 2026
What they patent
The 2 largest of its 4 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Display Device Having Multiple Protective Films and Wiring Layer | 1 in force | to Aug 2037 |
| Display Panel Device and Control Method Thereof | 1 in force | to Sep 2029 |
Patents held now
Soonest term end first.
Showing 1 to 4 of 4
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,111,221 | Display Panel Device and Control Method Thereof In force · High confidence | In force | High confidence | |
| US 9,262,959 | El Display Device In force · High confidence | In force | High confidence | |
| US 11,751,451 | Display Device Having Multiple Protective Films and Wiring Layer In force · High confidence | In force | High confidence | |
| US 11,723,235 | Display Panel with Opening Adjusting Layer In force · High confidence | In force | High confidence |
Also on record, not counted in the 4: 1,180 patents in force now held by others · 291 patents ended · 3 applications pending · 165 applications 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.