August 14, 2013
A Siemens AG unit got a shot at taking back its patent for HIV test technology when a Massachusetts federal judge ruled Wednesday that the Patent Trial and Appeal Board had committed legal errors when it awarded the patent to Enzo Life Sciences Inc.
May 06, 2011
A Massachusetts federal judge on Thursday declined to toss Siemens Healthcare Diagnostics Inc.'s lawsuit seeking the reversal of a U.S. Patent and Trademark Office ruling that Enzo Life Sciences Inc. invented a DNA technology used in disease diagnosis before Siemens.