According to Trademark Act of B.E. 2534(1991) of Thailand, it has prescribed the criteria for registrable trademark. It would be explained as the following :
1. A trademark must have a distinctive function.
It must not describe the goods and services trading under that trademark, and it does not conclude with generic terms such as common words, geographical indications, domain names, etc.
2. A trademark must not identical or similar to another trademarks
It is not identical or similar to registered trademarks or prior trademark applications.
3. A trademark is not prohibited by the laws.
It is not contrast to the morality, public order or it refers to religions or beliefs.