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Chinese battery maker CosMX wins appeal after invalidation of ATL patent

By MLex Staff ( March 18, 2025, 06:51 GMT | Insight) -- Chinese lithium-ion battery manufacturer Zhuhai CosMX Battery has secured another victory in its prolonged patent disputes with rival Amperex Technology Limited. In a recent appellate decision in China, the country’s highest court dismissed ATL’s claim against CosMX for patent infringement following the invalidation of ATL’s contested patent.Chinese lithium-ion battery manufacturer Zhuhai CosMX Battery has secured another victory in its prolonged patent disputes with rival Amperex Technology Limited, or ATL. In a recent appellate decision in China, the country’s highest court dismissed ATL’s claim against CosMX for patent infringement following the invalidation of ATL’s contested patent....

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