Cases & Deals

SKPI defeats Kaneka in patent infringement action regarding polyimide films

Clients SKC Kolon PI, Inc. ("SKPI")

Jones Day obtained a summary judgment win on behalf of Korean-based SKC Kolon PI, Inc. ("SKPI"), which is principally engaged in the manufacture and distribution of polyimide films.

On August 9, 2016, SKPI brought a lawsuit against Kaneka Corporation, which sought a declaration by the court that SKPI's polyimide films did not infringe Kaneka's U.S. Patent Nos. 7,691,961, 9,441,082 and 6,264,866.

In December 2018, SKPI selected Jones Day to take over the case set for trial just months away. After extending the case calendar, SKPI moved for summary judgment based on a novel strategy for non-infringement by showing that Kaneka's induced infringement claims lacked the factual showings necessary to meet a key legal requirement.

On July 1, 2019, the court granted SKPI's motion for summary judgment of non-infringement by all accused products and entered judgment in favor of SKPI and against Kaneka on all claims for relief.

SKC Kolon PI, Inc. v. Kaneka Corporation, No. 2-16-cv-05948 (C.D. Cal.)

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