Amperex Technology Limited
3 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
Ending by 2030
Aug 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.
- 1 fee due Feb 25, 2027The maintenance fee for Series/parallel connection scheme for energy storage devices (US 9,118,192) comes due Feb 25, 2027. Unpaid by Aug 25, 2027, it lapses early.
- 1 fee due Jul 5, 2027The maintenance fee for Merged battery cell with interleaved electrodes (US 9,231,271) comes due Jul 5, 2027. Unpaid by Jan 5, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 17, 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 7,771,861 | Method of using an electrochemical cell In force · From the USPTO record | In force | From the USPTO record | |
| US 8,354,189 | Electrodes including novel binders and methods of making and using the same In force · From the USPTO record | In force | From the USPTO record | |
| US 7,875,388 | Electrodes including polyacrylate binders and methods of making and using the same In force · From the USPTO record | In force | From the USPTO record | |
| US 9,853,462 | Connection scheme for multiple battery cells In force · From the USPTO record | In force | From the USPTO record | |
| US 9,005,788 | Management Scheme for Multiple Battery Cells In force · High confidence | In force | High confidence | |
| US 9,564,669 | Merged battery cell with interleaved electrodes In force · From the USPTO record | In force | From the USPTO record | |
| US 9,118,192 | Series/parallel connection scheme for energy storage devices In force · From the USPTO record | In force | From the USPTO record | |
| US 9,231,271 | Merged battery cell with interleaved electrodes In force · From the USPTO record | In force | From the USPTO record | |
| US 12,506,222 | Electrochemical device including separation layer with low-melting point polymer particles distributed in nanofibrous porous substrate, and electronic device containing the same In force · From the USPTO record | In force | From the USPTO record | |
| US 12,683,244 | Electrochemical Device In force · High confidence | In force | High confidence |
Also on record, not counted in the 11: 3 patents in force now held by others · 5 lapsed for an unpaid fee · 135 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.
1 abandoned · 2 no status recorded