Use of a trademark includes sales, offers for sale, and advertisements for goods or services in commerce. The party who first uses a trademark is the prior user. Share this:Click to share on LinkedIn (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)MoreClick to share on Pinterest (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)