Celgard, LLC v. SK Innovation Co., Ltd., No. 14-1807 (Fed. Cir. July 6, 2015)

From the Opinion

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Celgard, LLC appeals the dismissal of its patent i n- fringement suit by the United States District Court for the Western District of North Carolina for lack of perso n- al jurisdiction. The d istrict court determin ed it lacked personal jurisdiction over SK Innovation Co., Ltd. (“SKI”) under either a purposef ul-direction theory or a stream -of- commerce theory. For the reasons set forth below, we affirm the dismissal. I. BACKGROUND A. THE PARTIES AND THEIR BUSINESSES Celgard is a developer and manufacturer of battery membranes.