Nanoco Technologies Ltd.
35 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.
Recorded under 4 name spellings.
10
Ending by 2030
Jan 2027
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
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.
- 2 fees due Dec 2 to 4, 2026 · next Dec 2
- 2 fees due Jan 14 to 16, 2027 · next Jan 14
- 2 fees due Apr 13 to 29, 2027 · next Apr 13
- 2 fees due May 19 to 24, 2027 · next May 19
- 1 fee due Jun 8, 2027The maintenance fee for Methods for preparing Cu2ZnSnS4 nanoparticles for use in thin film photovoltaic cells (US 9,206,054) comes due Jun 8, 2027. Unpaid by Dec 8, 2027, it lapses early.
- 1 fee due Aug 2, 2027The maintenance fee for Preparation of Nanoparticle Material (US 9,251,922) comes due Aug 2, 2027. Unpaid by Feb 2, 2028, it lapses early.
- 1 fee due Nov 5, 2027The maintenance fee for Semiconductor nanoparticle-based light emitting materials (US 10,644,207) comes due Nov 5, 2027. Unpaid by May 5, 2028, it lapses early.
Recent changes
- 1 term has ended since Aug 16, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,867,557 | Nanoparticles In force · From the USPTO record | In force | From the USPTO record | |
| US 8,168,457 | Shaped Articles Comprising Semiconductor Nanocrystals and Methods of Making and Using Same In force · Medium confidence | In force | Medium confidence | |
| US 8,368,048 | Nanostructured layers, methods of making nanostructured layers, and application thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,785,657 | Nanostructured Layers, Method of Making Nanostructured Layers, and Application Thereof In force · High confidence | In force | High confidence | |
| US 9,251,922 | Preparation of Nanoparticle Material In force · High confidence | In force | High confidence | |
| US 9,044,809 | Method for producing aqueous compatible nanoparticles In force · From the USPTO record | In force | From the USPTO record | |
| US 7,867,556 | Controlled preparation of nanoparticle materials In force · From the USPTO record | In force | From the USPTO record | |
| US 9,461,215 | Semiconductor nanoparticle-based light-emitting devices and associated materials and methods In force · From the USPTO record | In force | From the USPTO record | |
| US 10,014,452 | Semiconductor nanoparticle-based light-emitting devices and associated materials and methods In force · From the USPTO record | In force | From the USPTO record | |
| US 8,921,827 | Semiconductor nanoparticle-based light-emitting devices and associated materials and methods In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 45: 35 patents in force now held by others · 41 lapsed for an unpaid fee · 9 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
9 abandoned · 38 no status recorded