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Leader Technologies, Inc. v. Facebook, Inc., No. 2011-1366 (Fed. Cir. May 8, 2012)

  • Winston & Strawn LLP
  • -
  • USA
  • -
  • May 31 2012

A patent for a product, while presumed valid, is rendered invalid if a challenging party proves by clear and convincing evidence that the product in public use or on sale prior to the critical date, one year prior to the patent filing, was embodied by the claimed invention