4 patents currently held
106 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.
4 more records may belong here and await a decision; they are not counted.
The next term ends in Jun 2040. from the record
Of the 106 now held by other companies, 105 name Dualitas Ltd. as their current owner, and 1 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Jun 2040
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 Jun 2040 · High confidence
Also notable
Ends Nov 2040 · High confidence
Also notable
Ends Feb 2042 · High confidence
Hologram Replicator Assemblies For Head Up Displays Including Continuous Transmission Neutral Density Filters And Corrective Leveling Elements
US 11,275,243
The most cited patent in this portfolio, cited by 10 later US patents, top 25% of utility patents granted in 2022 in our data. Protection runs to 2040.
Head Up Display Systems Including Hologram Replicator
US 11,536,960
The earliest of the three still in force, granted 2022 and renewed since. Its term ends first, in 2040.
Spatial Light Modulation
US 12,189,337
Granted 2025. Too new for citation comparison; protection runs to 2042.
Formerly held, still cited
Notable
Ends Feb 2033 · High confidence
Cited by 34 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 2033.
now held by Dualitas Ltd.
Also notable
Ends Dec 2033 · High confidence
Cited by 34 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 2033. A terminal disclaimer caps this term to an earlier patent's.
now held by Dualitas Ltd.
Also notable
Ends Feb 2041 · High confidence
Cited by 7 later US patents, top 10% of utility patents granted in 2023 in our data. Protection runs to 2041.
now held by Dualitas Ltd.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 12 of the patents on this record were granted since Aug 16, 2026
What they patent
The 1 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.
| Spatial Light Modulation | 1 in force | to Feb 2042 |
Patents held now
Soonest term end first.
Showing 1 to 4 of 4
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,275,243 | Hologram Replicator Assemblies For Head Up Displays Including Continuous Transmission Neutral Density Filters And Corrective Leveling Elements In force · High confidence | In force | High confidence | |
| US 11,536,960 | Head Up Display Systems Including Hologram Replicator In force · High confidence | In force | High confidence | |
| US 12,189,337 | Spatial Light Modulation In force · High confidence | In force | High confidence | |
| US 12,736,811 | Extended Eye-Box held by Dualitas Ltd. In force · High confidence | In force | High confidence |
Also on record, not counted in the 4: 106 patents in force now held by others · 78 applications pending · 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.