Trademarks / copyrights have nothing to do with taxes. You have to charge / pay sales tax for items you sell within states you operate in. You have to pay income tax, social security etc. on personal and business income depending on the type of business you operate.
do you have a tax i.d. #??? trademarks dont have anything to do with taxes--but chances are if you re selling something you are profiting , in which case uncle sam wants to be paid.