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Maxell, Ltd. v. Amperex Technology Limited DC CAFC
- 6:21-cv-00347
- W.D. Tex.
- Judge: Alan D. Albright
- Filed: 04/08/2021
- Latest Docket Entry: 04/12/2024
- PACER
- Docket updated daily
1
Plaintiff
1
Defendant
6
Accused
Products
4
Patents-in-Suit
1,115
Days in
Litigation
-
Maxell, Ltd. v. Amperex Technology Limited DC CAFC
- 6:21-cv-00347
- W.D. Tex.
- Judge: Alan D. Albright
- Filed: 04/08/2021
- Latest Docket Entry: 04/12/2024
- PACER
- Docket updated daily
Cause of Action
Willful Patent Infringement
Market Sector
Consumer Products
Assigned Judge
- Patent Information
-
Validity & Enforceability
Claim # | Claim Text | Outcome |
---|---|---|
1 |
A nonaqueous secondary battery comprising: a positive electrode having a positive electrode mixture layer, a negative electrode, and a nonaqueous electrolyte, wherein the positive electrode comprises, as active materials, at least two
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Invalid
Entry 158 |
2 |
The nonaqueous secondary battery according to claim 1, wherein the lithium-containing transition metal oxide having the largest average particle size is a lithium-containing transition metal oxide represented by the formula (wherein c and d satisfy
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Invalid
Entry 158 |
3 |
The nonaqueous secondary battery according to claim 2, wherein z in the formula (1) is larger than c in the formula (2).
|
Invalid
Entry 158 |
4 |
The nonaqueous secondary battery according to claim 1, wherein z in the formula (1) is larger than c in the formula (2).
|
Invalid
Entry 158 |
5 |
The nonaqueous secondary battery according to claim 1, wherein, in the formula (1), the metal elements M<sup>2</sup>are Mg and at least one metal element selected from the group consisting of Ti, Zr, Ge, Nb, Al and Sn; a content of Mg is from 0.1% by
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Invalid
Entry 158 |
6 |
The nonaqueous secondary battery according to claim 1, wherein, in the formula (2), the metal elements M<sup>2</sup>are Mg and at least one metal element selected from the group consisting of Ti, Zr, Ge, Nb, Al and Sn; a content of Mg is from 0.01%
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|
Invalid
Entry 158 |
7 |
The nonaqueous secondary battery according to claim 1, wherein said positive electrode mixture layer has a density of 3.5 to 4.6 g/cm<sup>3</sup>.
|
Invalid
Entry 158 |
8 |
The nonaqueous secondary battery according to claim 1, wherein said electrolyte further contains a fluorine-containing aromatic compound other than said fluorine-containing organic solvent.
|
Invalid
Entry 158 |
9 |
The nonaqueous secondary battery according to claim 1, wherein the fluorine-containing organic solvent is fluoroethylene carbonate.
|
Invalid
Entry 158 |
10 |
The nonaqueous secondary battery according to claim 1, wherein M<sup>1</sup>represents Co.
|
Invalid
Entry 158 |
11 |
A method of using a nonaqueous secondary battery according to claim 1 comprising the step of: charging the battery so that a positive electrode voltage is in a range of 4.35 to 4.6 V with reference to the potential of lithium when the battery is
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Invalid
Entry 158 |