Patent Case Watch

Patent opinions from the Eastern District of Texas and the U.S. Court of Appeals for the Federal Circuit

Fed. Cir.

Maxell, Ltd. v. Amperex Technology Limited, No. 23-1194 (Fed. Cir. Mar. 6, 2024)

Reversed in Part
Indefiniteness Claim Construction
Court
U.S. Court of Appeals for the Federal Circuit
Case No.
No. 23-1194
Decided
March 6, 2024
Judge
Taranto, J.
Document
Precedential Opinion
Length
9 pages

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

Maxell, Ltd. owns U.S. Patent No. 9,077,035, which de- scribes and claims a rechargeable lithium-ion battery. Am- perex Technology Limited is a manufacturer of lithium-ion batteries. In t wo now-consolidated actions , Maxell as- serted infringement, and Amperex challenged the validity, of claims of the ’035 patent.

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