Tech Firm Claims Error In Use Of Lexicography, Disavowal Standard In Patent Dispute

(October 15, 2015, 9:49 AM EDT) -- WASHINGTON, D.C. — An appellate court erred in limiting the role of the intrinsic evidence in construing claims for two captive screw patents under the “lexicography and disavowal” standard, Fivetech Technology Inc. asserts in a petition filed Sept. 28 with the U.S. Supreme Court (Fivetech Technology Inc. v. Southco Inc., No. 15-381, U.S. Sup.).

(Petition for writ of certiorari available. Document #78-151019-009B.)

In a 2010 complaint, Southco Inc. sued Fivetech for infringement of U.S. patent Nos. 5,851,095, 6,280,131 and 6,468,012, which claim particular types of captive...
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