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 ...

Why the Marijuana Industry Needs to Ditch the Cliché Cannabis Leaf Logo. New players to the marijuana industry could stand to ditch the tired, old logo everyone else uses.

When the results came in this week, a logo showing a cannabis leaf captioned "Mari Jane" proved to be the most popular; it was chosen by some 12,000 out of more than 15,000 people who voted in the ...

OLYMPIA, Wash., July 4 (Reuters) - Washington state was the first in the nation to legalize recreational marijuana use, but image-conscious regulators there think the cannabis-leaf logo designed ...

Iowa State violated First Amendment by denying pro-marijuana student group the right to use ISU logo (plus cannabis leaf) on its T-shirts. January 22, 2016.

When Estonia's Kanepi municipality was formed by three existing districts last year, some details had yet to be hammered out — among them, a design for its flag, logo and coat of arms. So Kanepi ...