The subject qualification certificate file in the materials submitted for trademark registration usually refers to the relevant documents proving that the trademark registration applicant is qualified to apply. These documents are intended to prove that the applicant is legally qualified and has the right to apply for trademark registration. The subject qualification certificate file may include the following:

1.** Legal person business license:** If the trademark applicant is a legal entity, it is usually necessary to provide a copy of the legal person business license to prove the registration and operation of the legal person. qualifications.

2.** Individual Industrial and Commercial Household Registration Certificate: ** For individual industrial and commercial households, you may need to provide a copy of the Individual Industrial and Commercial Household Registration Certificate to prove the registration information of the individual industrial and commercial household.

3.**Identity Proof:**Applicant’s identity document, such as a copy of the legal representative’s ID card.

4.**Letter of authorization:** If the trademark registration application is handled by an agent, a power of attorney may be required to clarify the scope of the agent's authorization.

5.**Other supporting documents:**According to national or regional regulations, other supporting documents may be required to ensure that the subject qualifications of the trademark registration applicant are legal and valid.

The Trademark Registration Bureau requires the provision of subject qualification certification files to ensure that only qualified subjects can apply for trademark registration and to maintain the legitimacy and authority of the trademark registration system.

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