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9 Apr 2019, 8:03 pm by Dennis Crouch
  In so doing, the Federal Circuit upended the clear-and-convincing-evidence burden of proof for invalidity challenges that this Court recognized in Microsoft Corp. v. i4i Limited Partnership, 564 U.S. 91, 101–02 (2011), and obliterated the presumption of validity that Congress codified in the Patent Act, 35 U.S.C. [read post]