Law360, New York (October 14, 2014, 7:42 PM EDT) -- The U.S. Patent and Trademark Office's patent trial board found Friday that Amkor Technology Inc. hadn't shown 14 claims in a Tessera Inc. patent related to semiconductor chips to be unpatentable, shortly after a California state court confirmed a $128.3 million judgment for Tessera in a separate case.
In a final written decision in its inter partes review of Tessera's semiconductor chip encapsulation patent, listed as U.S. Patent Number 6,046,076, the USPTO's Patent Trial and Appeal Board found that Amkor hadn't proven by a preponderance of evidence that 14 of the patent's claims were unpatentable. The panel did find that two...
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