DuPont Files Patent Infringement Lawsuit Against SunEdison

DuPont has filed a patent infringement lawsuit against SunEdison and its affiliate NVT LLC in the U.S. District Court for the District of Delaware.

In its complaint, DuPont alleges that by sourcing and using photovoltaic cells and solar modules containing front side metalization paste from Samsung SDI Co. Ltd. – into which the former Cheil Industries Inc. merged – SunEdison infringes DuPont's patented tellurium paste technology.

The complaint also identifies Neo Solar Power of Taiwan as the cell manufacturer and Flextronics as SunEdison's contract manufacturer.

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