Celgard Files for Quick Injunction Against Senior

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CHARLOTTE, N.C., November 5, 2019 – Celgard, LLC (Celgard), a subsidiary of Polypore International, LP (Polypore), filed a Motion for a Temporary Restraining Order and Preliminary Injunction in U.S. District Court for the Northern District of California asking the Court to quickly grant such relief prohibiting the Defendants Shenzhen Senior Technology Material Co. Ltd., and Shenzhen Senior Technology Material Co. Ltd. (U.S.) Research Institute (collectively, Senior), from: (1) use of Celgard’s trade secrets and/or confidential information, (2) infringement of United States Reissued Patent RE47,520 (the ’520 patent), formerly United States Patent 6,432,586 (the ’586 patent), and of United States Patent No. 6,692,867 (the ’867 patent), (3) violations of the California Business and Professions Code, (4) inducement of a breach of contract, (5) intentionally interfering with prospective economic relations, and (6) making, using, offering to sell, or selling in the United States (U.S.), or from importing into the U.S., products that infringe the ’520 and ’867 patents and/or that include Celgard’s trade secrets or confidential information.

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