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German Federal Patent Court Invalidates Durst’s White Ink Patent in Case Against EFI

German courts had already held a Durst utility model invalid for similar reasons

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By: DAVID SAVASTANO

Editor, Ink World Magazine

EFI announced that the Federal Patent Court of Germany has invalidated substantial parts of a patent held by Durst Phototechnik Digital Technology GmbH related to white ink printing that Durst had previously asserted in an infringement action against EFI. Durst sued EFI for allegedly infringing German patent No. 10 2005 006 092. In addition to denying those allegations, EFI filed a nullity action in the Federal Patent Court of Germany, asking that court to invalidate the portions of the patent ...

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