PI Advanced Materials Co., Ltd v. Kaneka Corporation, No. 19-2214 (Fed. Cir. Mar. 16, 2021)

From the Opinion

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PI Advanced Materials Co., Ltd., formerly known as SKC Kolon PI, Inc. (“SKPI”) filed a declaratory judgment action against Kaneka Corp. (“Kaneka”) in the United States District Court for the Central District of California seeking a declaration of non-infringement of Kaneka’s U.S. Patent No. 7,691,961 (“the ’961 patent”). Kaneka counter- claimed for induced infringement of the ’961 patent and U.S. Patent Nos. 9,441,082 (“the ’082 patent”) and 6,264,866 (“the ’866 patent”). The district court granted summary judgment of non- infringement.