is the trademark of doudou shoes divided around? Bean shoes are printed with the same trademark. There is no need to clearly divide the trademark of Doudou shoes in design. The purpose of trademark design is to identify a brand or product with simple and unique graphics or words to distinguish it from other competitors. A trademark refers to a sign made on a commodity or service in order to distinguish a specific commodity or service, so that consumers can identify, distinguish and choose commodities or services provided by different businesses.