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PTAB Victory on Behalf of EV Battery Manufacturer Contemporary Amperex Technology Ltd. (CATL)

June 2022

Quinn Emanuel is pleased to announce a victory on behalf of our China-based client, Contemporary Amperex Technology Ltd. (CATL), the world’s largest electric vehicle battery maker. Last Monday, June 6, 2022, the Patent Trial and Appeals Board denied institution of a Petition for Post-Grant Review (PGR) filed by China Lithium Battery Technology (CALB) on a patent relating to the composition and performance characteristics of the positive electrode plates in batteries.