Once you created your brand name, you need to ensure that you will register an unregistered mark. This requires some digging through the existing trademarks database with the IPO offices. In USA trademark database can be search through the Search Tool. An easy approach to discover any trademarks, likely to cause confusion with yours, is through design search codes and classes. Though the search needs to be done by a highly skilled professional who would understand how the search is done assuming is several other aspects.