a trademark is a mark used to distinguish one operator's brand or service from other operators' goods or services. Used to express the source of the products or services we buy.

according to China's trademark law, trademarks registered with the approval of the Trademark Office, including commodity trademarks, service trademarks, collective trademarks and certification trademarks, are protected by law. If they are well-known trademarks, they will be protected by cross-category laws.

1. Classification by trademark structure

1, word mark 2, graphic trademark 3, letter trademark 4, digital trademark 5, three-dimensional logo trademark 6, color combination trademark 7, combination trademark 8 (above 1-6), audio trademark 9, smell trademark

2. Classification by trademark users

1. Commodity trademark 2, service trademark 3. 4. ownerless trademarks

III. Classification by trademark use

1. Business trademarks 2. Certification trademarks 3. Assembly trademarks 4. Family trademarks 5. Spare trademarks 6. defensive trade mark 7. Joint trademarks 8. Advertising trademarks

Advertising trademarks are trademarks specially used for advertising;

iv. Classification by reputation

1. Ordinary trademarks 2. Well-known trademarks 3. Famous trademarks 4. Well-known trademarks

5. Classification by registration or not

1. Registered trademarks 2. Unregistered trademarks

6. Classification by implication of trademarks

1. Meaningful trademarks 2. Meaningless trademarks

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