Heraeus Photovoltaics announced that the Taiwan Intellectual Property Court confirmed the validity of Heraeus' Taiwan Patent No. I432539 by an interlocutory judgment and dismissed Giga Solar Materials Corporation's invalidity defense.

On June 10, 2015 , Heraeus filed a complaint with the Taiwan Intellectual Property Court against Giga Solar Materials Corporation for patent infringement of Heraeus' Taiwan Patent No. I432539. The litigation is still pending before the Intellectual Property Court. Heraeus is confident that its allegation for the pending issues (including the infringement issue) will be supported by the Taiwan Intellectual Property Court.