DuPont Says SolarWorld Infringes Patent for Photovoltaic Cells

Date: 25 June 2012
Source: www.bloomberg.com

Date: 25 June 2012

DuPont Co. (DD) filed a patent- infringement lawsuit today accusing SolarWorld AG (SWV) of selling photovoltaic cells using a material the chemical company said it invented.

The suit, filed in federal court in Portland, Oregon, is over a conductive paste that coats the front side of a solar cell. The paste is made by a unit of Heraeus Holding GmbH and supplied to SolarWorld’s U.S. unit, according to the complaint.

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