Gronk facing challenge from Nike over logo

FOXBOROUGH, Mass. — New England Patriots tight end Rob Gronkowski is facing a challenge from one of the companies that sponsors the NFL star. Earlier this month, Nike filed a formal opposition to the U.S. Patent and Trademark Office's Trial and Appeal Board, saying a logo of New England Patriots tight end Rob Gronkowski in silhouette spiking a football could be confused with its Air Jordan Jumpman logo that it has used since November 1987. "We hope to work this out to everyone's satisfaction," a Nike spokesperson . In April 2016, Gronkowski's company, Gronk Nation L.L.C., filed to trademark the logo for use on clothing and exercise equipment. Gronkowski's team has until August 5 to respond or