Supreme Court Won’t Review Patent Dispute Over Lexicography

(December 7, 2015, 12:11 PM EST) -- WASHINGTON, D.C. — A challenge to the Federal Circuit U.S. Court of Appeals’ “lexicography and disavowal” standard was turned away by the U.S. Supreme Court on Dec. 7 (Fivetech Technology Inc. v. Southco Inc., No. 15-381, U.S. Sup.).

In denying a petition for certiorari by Fivetech Technology Inc., the Supreme Court left unanswered the following questions:

“1. Whether it is proper for the Federal Circuit to limit the role of the intrinsic evidence in construing patent claims under the exacting ‘lexicography and disavowal’ standard.

“2. Whether...
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