China invalidates DuPont-origin patents central to Wuxi DK solar-paste lawsuits
By MLex Staff ( June 2, 2026, 08:02 GMT | Insight) -- The invalidation of two DuPont-origin photovoltaic paste patents underpinning Wuxi DK Electronic Materials' high-profile infringement lawsuits has undermined the basis for the company's damage claims and could reshape competition in China's solar materials sector.The invalidation of two DuPont-origin photovoltaic-paste patents underpinning Wuxi DK Electronic Materials' high-profile infringement lawsuits has undermined the basis for the company's damage claims and could reshape competition in China's solar materials sector....
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