Refer to the mark symbol or seal applied to the goods or services are divided into four categories:-The trademark (Trademark) is the sign used or to be used with the item to show that the marks are different with the use of another person's trade mark, such as Mama. Red Bull, etc. -Check services (service Mark) is the sign used or to be used with the service that is used to show that the mark is different to someone else's use of the service marks such as flying Thailand Thailand krung Dusit, etc. -Mark certified (Certification Mark) is the owner of the certification mark is used or to be used on goods or services of another person. In order to guarantee about goods or services, such as the shell chuan CHIM. Her mother, well, dancing gracefully curving upwards, etc. -Mark (Collective Mark) are trademarks or service marks used or to be used by companies or State enterprises in the same group, or by the members of the co-operative Union, Association, Federation of any other person or organization, group or private, such as the elephant of cement Thailand company limited etc.
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