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Celgard controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 2020

    Celgard files trade secrets lawsuit against Senior, Zhang, Sun Town and Global Venture

    Lawsuit filed

    Celgard filed a lawsuit in the U.S. District Court for the Western District of North Carolina against Senior, Xiaomin (Steven) Zhang, Sun Town and Global Venture, alleging misappropriation of trade secrets, unfair and deceptive business practices, unfair competition and other claims.

    Source excerpt

    • Celgard, LLC (Celgard), eine Tochtergesellschaft der Polypore International LP (Polypore), hat eine Klage gegen die Beklagten Shenzhen Senior Technology Material Co. Ltd. (Senior-China), Shenzhen Senior Technology Material Co. Ltd. (US) Research Institute (Senior-California), Xiaomin (Steven) Zhang (Dr. Zhang), Sun Town Technology Inc. (Sun Town), Global Venture Development LLC und Global Venture Development Inc. (gemeinsam Global Venture) (gemeinsam WDNC-Beklagte) im US-Bezirksgericht (USA) des Western District of North Carolina (WDNC) wegen widerrechtlicher Verwendung von Geschäftsgeheimnissen sowie unfairer und täuschender Geschäftspraktiken und unlauteren Wettbewerbs, heimlicher Absprachen, ungerechtfertigter Bereicherung und Umrechnung eingereicht.
    • Des Weiteren reichte Celgard eine zweite ergänzte Klage gegen die Beklagten Shenzhen Senior Technology Material Co. Ltd. (US) Research Institute (Senior-California), Farasis Energy USA, Inc., Farasis Energy Inc., Farasis Energy (Gan Zhou) Inc. und Farasis Energy (Gan Zhou) Co. Ltd. (gemeinsam Farasis), Sun Town Technology Inc. (Sun Town), Global Venture Development LLC und Global Venture Development Inc. (gemeinsam Global Venture) (gemeinsam NDCA-Beklagte) wegen Patentverletzung, Vertragsbruchs und Bruchs implizierter Zusicherung der Redlichkeit und redlichen Verhaltens im US-Bezirksgericht des Northern District of California (NDCA) ein.
    • Polypore International, LP(简称“Polypore”)旗下子公司Celgard, LLC(简称“Celgard”)在针对星源向美国加州北部地区法院提交的专利侵权案中提交了第一修正起诉书,被告包括Shenzhen Senior Technology Material Co. Ltd. (US) and Research Institute(简称“加州星源”)和深圳市星源材质科技股份有限公司(简称“深圳星源”)(统称“星源”);Sun Town Technology, Inc. ( Sun Town);Farasis Energy USA, Inc.、Farasis Energy, Inc.、孚能科技(赣州)股份有限公司和孚能科技(赣州)有限责任公司(统称“Farasis”);Global Venture Development, LLC和Global Venture Development, Inc.(统称“Global Venture”)(所有这些公司统称“被告”),Farasis、Sun Town和 Global Venture这三家公司是新增的被告。第一修正起诉书声称被告侵犯了Celgard的陶瓷涂层隔膜专利权(美国专利号:6,432,586(586号专利),现为RE47,520(520号专利))及聚丙烯隔膜专利权(美国专利号:6,692,867(867号专利)),并涉嫌非法盗用和滥用Celgard的商业机密及机密信息等多项违法违规行为。
  2. 2020

    Xingyuan Material sues Celgard over alleged patent infringement

    Lawsuit filed

    Xingyuan Material sued Celgard, LLC and related parties, asking the court to order them to stop the alleged patent infringement, eliminate its effects and compensate for losses.

    Source excerpt

    • 公司起诉塞尔格有限责任公司(Celgard,LLC)及相关方侵犯公司专利权,请求法院判决被告停止侵权行为、消除影响并赔偿损失等
  3. 2019

    Shenzhen Senior files unfair-competition lawsuit against Celgard and related parties

    Lawsuit filed

    Shenzhen Senior Technology Material said it filed an unfair-competition lawsuit against Celgard and two China-based related parties, alleging they sent customers letters that disparaged its business and exaggerated legal risks associated with its products. The Shenzhen Intermediate People's Court accepted the case; the allegations are claims, not a court determination.

    Source excerpt

    • 该不正当竞争诉讼已获深圳市中级人民法院受理,本公司已于近日收到了受理案件通知书。
    • 在律师函中不仅未披露请求保护的权利范围以及涉嫌侵权的具体理由,而且在多处混淆事实描述和对本公司的指控,恶意夸大和捏造使用本公司产品的法律风险
    • 深圳市星源材质科技股份有限公司(以下简称“本公司”或“星源材质”)向深圳市中级人民法院提交了起诉状,起诉塞尔格有限责任公司(Celgard, LLC,以下简称“Celgard”)及其中国境内相关方针对本公司实施了不正当竞争行为