Mealey's (April 27, 2018, 11:09 AM EDT) -- ST. LOUIS — Citing evidence that the “Onepul” trademark, when used in connection with plastic bags for picking up and disposing of dog droppings, could be considered generic or descriptive, the Eighth Circuit U.S. Court of Appeals on April 26 reversed a summary judgment of trademark validity (ZW USA Inc. v. PWD, LLC, No. 16-3999, 8th Cir., 2018 U.S. App. LEXIS 10530)....