(1) Relative prohibited elements

1. A sign that directly describes or praises the goods or services being used;

2. When used When referring to related goods or services, the meaning of the mark may cause deception or confusion;

3. Prescriptive marks may be composed of prescriptive marks, such as: "patent", "patented", etc. ;

4. Marks that conflict with previously applied or registered trademarks.

(2) Absolutely prohibited elements

1. Containing ugly and shameful things or signs consisting of them;

2. The use of this sign will violate the Law;

3. A mark consisting only of characteristics such as type, quality, quantity, use, value, origin, manufacturing time/service provision time, etc. of goods or services.