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U.S. Supreme Court Affirms The Rule That Patent Infringers Must Prove Invalidity Defense By Clear And Convincing Evidence
On Thursday, the Supreme Court affirmed the long-standing rule that in asserting patent invalidity under 35 U.S.C. § 282 as a defense to an infringement action, an alleged infringer must prove the patent invalid by clear and convincing evidence.
Schnader Harrison Segal & Lewis LLP
