USPTO records show that the first U.S. marijuana leaf logo trademark was filed in 2004, and the years since have seen an explosion in the symbols. By 2015, more than 1 in 500 new U.S. logos ...

There was never a doubt that an aspen leaf would remain part of the logo. “The leaf is an important part of who we are and where we come from,” Sprague said. “Design has always been an important part ...