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Chicago Board Options Exchange, Inc. v International Securities Exchange, LLC, No. 2011-1267 (Fed Cir. May 7, 2012)
  • Winston & Strawn LLP
  • USA
  • May 31 2012

A claim using the word “means” is presumed to be a means-plus-function claim unless the claim includes a specific and definite structure, and repeated derogatory statements in the specification are construed as a disavowal of claim scope

Kathleen Barry
  • Winston & Strawn LLP