Graphene Square Inc.
4 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.
3
Ending by 2030
Oct 2030
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 Dec 11, 2026The maintenance fee for Transferring Method of Graphene Using Self-Adhesive Film (US 10,315,401) comes due Dec 11, 2026. Unpaid by Jun 11, 2027, it lapses early.
- 1 fee due Jun 12, 2027The maintenance fee for Electrode Structure, Manufacturing Method Therefor, and Electrochemical Element Comprising Same (US 11,843,108) comes due Jun 12, 2027. Unpaid by Dec 13, 2027, it lapses early.
- 2 fees due Sep 12 to 29, 2027 · next Sep 12
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
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 8,916,057 | Roll-To-Roll Transfer Method of Graphene, Graphene Roll Produced by the Method, and Roll-To-Roll Transfer Equipment for Graphene In force · High confidence | In force | High confidence | |
| US 10,886,501 | Graphene Protective Film Serving as a Gas and Moisture Barrier, Method for Forming Same, and Use Thereof In force · High confidence | In force | High confidence | |
| US 9,728,605 | Roll-To-Roll Doping Method of Graphene Film, and Doped Graphene Film In force · High confidence | In force | High confidence | |
| US 10,808,321 | Graphene Roll-To-Roll Coating Apparatus and Graphene Roll-To-Roll Coating Method Using the Same In force · High confidence | In force | High confidence | |
| US 8,816,257 | Flexible Transparent Heating Element Using Graphene and Method for Manufacturing the Same In force · High confidence | In force | High confidence | |
| US 9,782,963 | Roll-To-Roll Transfer Method of Graphene, Graphene Roll Produced by the Method, and Roll-To-Roll Transfer Equipment for Graphene In force · High confidence | In force | High confidence | |
| US 8,926,854 | Roll-To-Roll Doping Method of Graphene Film, and Doped Graphene Film In force · High confidence | In force | High confidence | |
| US 11,071,241 | Electromagnetic Shielding Method Using Graphene and Electromagnetic Shielding Material In force · High confidence | In force | High confidence | |
| US 8,916,013 | Method for Transferring Graphene Using a Hot Press In force · High confidence | In force | High confidence | |
| US 9,297,831 | Touch Sensor Using Graphene for Simultaneously Detecting a Pressure and a Position In force · High confidence | In force | High confidence |
Also on record, not counted in the 20: 4 patents in force now held by others. 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.
1 pending · 2 abandoned