The specific requirements for proving the conditions of trademark registration applicants vary by country and region, but the following information and documents are usually required:

1. Applicant identity: The applicant needs to provide himself or herself Identity documents, such as personal ID cards, passports, or company's legal identity documents, such as registration certificates, business licenses, etc.

2. Trademark use intention: It is usually necessary to state the trademark applicant’s trademark use intention, that is, which goods or services the trademark will be used for.

3. Trademark drawing: Provide a drawing of the trademark to clearly show the appearance and design of the trademark.

4. Trademark priority (if applicable): If the applicant wishes to enjoy priority, that is, if the applicant files an application based on the date of previous trademark application in other countries or regions, he may need to provide relevant priority certification documents.

5. Trademark authorization (if applicable): If the trademark application is filed by an agent, a trademark authorization letter may be required.

6. Trademark registration fees: Applicants usually need to pay corresponding trademark registration fees, which vary according to national or regional regulations.

Please note that the above are examples of general requirements, and specific trademark registration applicant requirements may vary by country or region. When registering a trademark, it is recommended to consult a professional trademark agency or lawyer to understand the specific requirements and ensure that application materials are prepared as required.

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