Quantumscape Battery, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
2
Ending by 2030
May 2028
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 13 to 18, 2026 · next Dec 13
- 5 fees due Jan 4 to 23, 2027 · next Jan 4
- 3 fees due Feb 6 to 22, 2027 · next Feb 6
- 3 fees due Mar 3 to 24, 2027 · next Mar 3
- 5 fees due Apr 1 to 27, 2027 · next Apr 1
- 2 fees due May 14 to 28, 2027 · next May 14
- 2 fees due Jun 17 to 26, 2027 · next Jun 17
- 5 fees due Jul 14 to 30, 2027 · next Jul 14
- 3 fees due Aug 13 to 27, 2027 · next Aug 13
- 2 fees due Sep 5 to 22, 2027 · next Sep 5
- 3 fees due Oct 9 to 23, 2027 · next Oct 9
- 1 fee due Nov 12, 2027The maintenance fee for Garnet Materials for Li Secondary Batteries and Methods of Making and Using Garnet Materials (US 10,651,502) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.
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 7,793,611 | Film growth system and method In force · From the USPTO record | In force | From the USPTO record | |
| US 8,808,405 | Method of forming a solid state cathode for high energy density secondary batteries In force · From the USPTO record | In force | From the USPTO record | |
| US 9,087,645 | Solid state energy storage devices In force · From the USPTO record | In force | From the USPTO record | |
| US 9,293,255 | Solid state energy storage devices In force · From the USPTO record | In force | From the USPTO record | |
| US 9,246,158 | Nanostructured materials for electrochemical conversion reactions In force · From the USPTO record | In force | From the USPTO record | |
| US 9,543,564 | Protective coatings for conversion material cathodes In force · From the USPTO record | In force | From the USPTO record | |
| US 9,640,793 | Nanostructured materials for electrochemical conversion reactions In force · From the USPTO record | In force | From the USPTO record | |
| US 9,692,039 | Nanostructured materials for electrochemical conversion reactions In force · From the USPTO record | In force | From the USPTO record | |
| US 10,511,012 | Protective coatings for conversion material cathodes In force · From the USPTO record | In force | From the USPTO record | |
| US 8,940,446 | Solid state lithium-air based battery cell In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 128: 5 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.
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.
24 pending · 2 abandoned · 11 no status recorded