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E. I. du Pont de Nemours and Co Files Lawsuit Against Heraeus Materials Technology, LLC

Thursday, 21 Jun 2012 09:00am EDT 

E. I. du Pont de Nemours and Co announced that it has filed a lawsuit against Heraeus Materials Technology, LLC and its customer SolarWorld Industries America, Inc. in U.S. Federal Court for the District of Oregon for infringing a recently issued DuPont patent related to front-side metallization paste compositions used in solar cell technology. In its complaint, DuPont alleges that Heraeus and SolarWorld infringe DuPont U.S. Patent No. 8,158,504 B2, by manufacturing, selling and/or using Heraeus front-side silver pastes. The suit follows another patent infringement suit DuPont filed against Heraeus in September 2011, which is ongoing. 

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