Siemens Gets Fresh Shot At HIV Test Patent

Law360, Los Angeles (August 14, 2013, 9:35 PM EDT) -- 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.

In 2006, the board — then known as the Board of Patent Appeals and Interferences — had found that Siemens Healthcare Diagnostics Inc.’s U.S. Patent Number 5,124,246 conflicted with Enzo’s application on the grounds that at least one of Enzo’s claims was...
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