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Judge Rules K-C Absorbent Fiber Patents Invalid

Law360 (March 2, 2011, 3:47 PM EST) -- A federal judge in Pennsylvania on Tuesday handed a victory to First Quality Baby Products LLC and its affiliates, ruling that two Kimberly-Clark Worldwide Inc. patents for absorbent materials were invalid for indefiniteness.

Judge William W. Caldwell granted First Quality's motion for summary judgment on indefiniteness in the U.S. District Court for the Middle District of Pennsylvania.

First Quality had argued that the claim terms “at least about” and “less than about,” found in various combinations throughout numerous claims of the patents, were indefinite.

Kimberly-Clark argued...
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