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By Jeffrey S. Ginsberg, Joseph Mercadante and Malcolm Wells
August 30, 2012

Wrigley's Gum Coolant Combination Obvious and Anticipated

On June 22, the Federal Circuit issued its opinion in a patent infringement dispute between WM Wrigley Jr. Co. and Cadbury Adams USA LLC. The panel was composed of Judges Pauline Newman and William C. Bryson and, sitting by designation, District Judge Jeremy Fogel of the Northern District of California. The dispute concerned, among other things, Wrigley's patent on a chewing gum composition containing a combination of menthol and a cooling agent, WS-23.

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