golf_ball_callaway.jpgSan Diego – A U.S. District Court in Delaware recently upheld a jury verdict that ruled four of Callaway Golf’s patents are invalid.  The judgment, which stems from a 2006 patent infringement lawsuit Callaway filed against Acushnet Co., officially closes the case in that particular court but can be appealed at the Federal Circuit level.

Acushnet Co.

Golf-sandtrap.jpgSan Diego – TourSwing Golf LLC has filed a trademark infringement lawsuit against Callaway Golf over its “Octane” trademark.  The lawsuit, filed in U.S. District Court for the Western District of Wisconsin claims that Callaway maliciously, deliberately, and willfully stole the trademark.

Representatives for TourSwing believe that its competitor’s deliberate use of “Octane” stems from an