DuPont files ITC suit against Dangsheng, Qingyun for Tyvek IP infringement
US materials firm DuPont says it has filed a complaint with the United States International Trade Commission (ITC) against Chinese competitors Xiamen Dangsheng New Materials and affiliates and Jiangsu Qingyun New Materials and affiliates (Kingwills), among others, to block the import of products that it says infringe on intellectual property (IP) related to its nonwoven Tyvek brand and products.
DuPont says it is asking the ITC to investigate its claims and issue a general exclusion order to bar the importation of any infringing materials into the US. This would include all applications where the infringing material is imported as a stand-alone product or incorporated into a converted or finished good.
The ITC investigates and makes determinations in proceedings involving imports claimed to injure a domestic industry or violate US intellectual property rights.
“For many decades, DuPont has been investing to deliver world class innovation with our technology and products, which is why so many customers trust the superior quality and performance of authentic Tyvek products in their most vital applications. This is why we take actions to defend our proprietary technology advancements, our scientists who develop them, and our customers who utilise Tyvek products in life-critical applications.” said David Domnisch – DuPont Vice President & General Manager, DuPont Tyvek.
DuPont adds its Tyvek is used applications including Medical Packaging, Personal Protection, Graphics & Protective Packaging, and Building Envelope solutions.
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