Wrigley Gum Patent Was Obvious, Fed. Circ. Rules

Law360, New York (June 22, 2012, 4:50 PM ET) -- A William Wrigley Jr. Co. patent for chewing gum flavoring asserted against Cadbury Adams USA is invalid as obvious and anticipated, the Federal Circuit ruled Friday in a split decision that led the judges to debate the role a product's commercial success should play in obviousness analysis.

The appeals court upheld a lower court's finding that Wrigley's patent on gum with "physiological cooling agents" was obvious in light of an earlier patent and a published article. It also affirmed that Wrigley did not infringe a Cadbury...
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