Greensboro craft brewery Natty Greene’s Brewing Co. has attracted the attention – and opposition – of brewing behemoth Anheuser-Busch.

The St. Louis-based brewer has weighed in against the federal trademark application of Natty Greene’s, saying it infringes upon trademarks for one of its brews, Natural Light, according to the St. Louis Post-Dispatch.

What’s the connection? Anheuser-Busch says many beer drinkers commonly refer to Natural Light as “Natty’s,” so the company trademarked the…