ARLINGTON, Virginia, Dec. 27 -- The American Intellectual Property Law Association issued the following news: The US District Court for the District of South Dakota on December 11, 2019, canceled trademark registrations for the word "Sturgis" in light of Walmart and others' success defeating the trademark owner's related infringement claims. Sturgis Motorcycle Rally sued Walmart Stores Inc., souvenir seller Rushmore Photo & Gifts, and others for allegedly infringing trademarks related to the l  more