Versarien PLC
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Nov 2031
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.
- 1 fee due Nov 14, 2026The maintenance fee for Etching Apparatus and Method, and Flexible Film Etched by the Etching Method (US 10,290,517) comes due Nov 14, 2026. Unpaid by May 14, 2027, it lapses early.
- 1 fee due Jan 9, 2027The maintenance fee for Graphene, Composition for Preparing Graphene, and Method of Preparing Graphene Using the Composition (US 10,347,387) comes due Jan 9, 2027. Unpaid by Jul 9, 2027, it lapses early.
- 4 fees due Feb 1 to 18, 2027 · next Feb 1
- 3 fees due Mar 8 to 22, 2027 · next Mar 8
- 1 fee due May 19, 2027The maintenance fee for Graphene Synthesis Chamber and Method of Synthesizing Graphene by Using the Same (US 10,480,075) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
- 1 fee due Aug 16, 2027The maintenance fee for Method and Apparatus for Manufacturing Graphene (US 9,260,309) comes due Aug 16, 2027. Unpaid by Feb 16, 2028, it lapses early.
- 1 fee due Oct 19, 2027The maintenance fee for Method and Apparatus for Transferring Graphene (US 9,315,001) comes due Oct 19, 2027. Unpaid by Apr 19, 2028, it lapses early.
- 1 fee due Nov 3, 2027The maintenance fee for Compositions for Preparing Graphene and Methods for Preparing Graphene Using the Same (US 9,327,983) comes due Nov 3, 2027. Unpaid by May 3, 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 9,098,162 | Touch Panel Including Graphene and Method of Manufacturing the Same In force · High confidence | In force | High confidence | |
| US 9,136,112 | Method of Post Treating Graphene and Method of Manufacturing Graphene Using the Same In force · High confidence | In force | High confidence | |
| US 9,139,439 | Process for the preparation of graphene In force · From the USPTO record | In force | From the USPTO record | |
| US 11,486,035 | Graphene synthesis chamber and method of synthesizing graphene by using the same In force · From the USPTO record | In force | From the USPTO record | |
| US 9,260,309 | Method and Apparatus for Manufacturing Graphene In force · High confidence | In force | High confidence | |
| US 10,213,985 | Method of Manufacturing Deformation-Capable Graphene Sheet, Deformation-Capable Graphene Sheet, and Device Using the Same In force · Medium confidence | In force | Medium confidence | |
| US 9,576,695 | Graphene-Based Laminate Including Doped Polymer Layer In force · High confidence | In force | High confidence | |
| US 9,111,667 | Graphene Transfer Method In force · High confidence | In force | High confidence | |
| US 10,480,075 | Graphene Synthesis Chamber and Method of Synthesizing Graphene by Using the Same In force · High confidence | In force | High confidence | |
| US 9,371,234 | Method for Producing Graphene at a Low Temperature, Method for Direct Transfer of Graphene Using Same, and Graphene Sheet In force · High confidence | In force | High confidence |
Also on record, not counted in the 20: 8 lapsed for an unpaid fee. 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.