An appeals board of the U.S. Patent and Trademark Office...

2011-04-14T00:00:00

An appeals board of the U.S. Patent and Trademark Office has agreed with Acushnet Company that the four patents involved in the long-running dispute with Callaway Golf are invalid. Callaway originally filed its lawsuit in February 2006 saying that Acushnet's Titleist Pro V1 ball infringed those patents. In March 2010, ...

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