K-C Diaper Patent Wiped Out In First Quality IP Suit

Law360, New York (December 5, 2011, 1:22 PM EST) -- A Wisconsin federal judge on Saturday ruled against Kimberly-Clark Worldwide Inc. in its ongoing patent dispute against First Quality Baby Products LLC, finding that a K-C diaper manufacturing patent is a clone of a previously registered process.

U.S. District Judge William C. Griesbach said K-C's patent for a method of inspecting diapers along the assembly line was anticipated by a prior invention registered by a third party, and the consumer goods company therefore couldn't nail First Quality for infringement.

“The question raised here is whether the...
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