The legal basis for trademark registration review may vary according to the trademark laws and regulations of the country or region. The following are some common legal basis:

1. Trademark law: Trademark registration review is usually based on the corresponding trademark law. The Trademark Law stipulates the definition of trademarks, registration conditions, signs prohibited from registration, trademark rights and other aspects, and provides a legal basis for trademark registration review.

2. Trademark laws and regulations: The trademark registration agency may have formulated specific trademark laws and regulations to guide the specific procedures and requirements for trademark registration review. These regulations may include formal requirements for trademark registration applications, review procedures, reasons for refusal of registration, etc.

3. Precedent and case law: During the trademark registration review process, trademark registration agencies and courts can refer to previous trademark registration cases and case law as a reference. These precedents and case law can help determine the compliance and protectability of a trademark registration.

4. International conventions and agreements: Some countries or regions may be members of international trademark conventions and agreements. These conventions and agreements provide unified standards and procedures for trademark registration, such as the Paris Convention, Madrid Agreement, etc.

The legal basis for trademark registration review may vary according to different countries or regions. If you have a need for legal basis for trademark registration review in a specific country or region, it is recommended to refer to the trademark laws and trademark registration authorities of that country or region.

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