Tag Archives: prior art

Supreme Court Affirms: High Level of Proof Needed to Invalidate A Patent

Posted by Stephanie Fischer on June 10, 2011 at 3:29pm EDT on BIOtech Now The U.S. Supreme Court issued a favorable decision yesterday in the critical case of Microsoft v. i4i, in which Microsoft challenged the “clear and convincing evidence” standard traditionally used by courts in determining whether to invalidate an issued U.S. patent.   Microsoft argued for a lower “preponderance of the evidence” standard, under which patents could be invalidated by a mere “more likely than not” determination by Read More >

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