A trademark is a mark used to distinguish one operator’s brand or service from the goods or services of other operators. my country's Trademark Law stipulates that for trademarks approved and registered by the Trademark Office, including commodity trademarks, service marks, collective trademarks, and certification marks, the trademark registrant enjoys the exclusive right to trademark and is protected by law. If it is a well-known trademark, he will obtain a cross-category trademark. Legal protection of exclusive rights.