Acushnet Finds the Cup in Legal Dispute with Calloway

A federal court jury has sided with golf ball manufacturer Acushnet Company (Titleist) in a patent dispute with Callaway Golf Co., agreeing with Acushnet attorneys that the disputed patents were invalid.   The verdict seemingly ended a dispute that was initiated in 2006 when Calloway, better known for its Big Bertha drivers, alleged that earlier versions of the Titleist Pro V1 golf balls had infringed on four patents originally owned by Spalding and subsequently purchased by Callaway. Callo