1. Invoice: As the basic commercial voucher in economic transactions, the invoice is a written certificate that records business activities. It is issued and collected when purchasing and selling goods, providing or receiving services, and engaging in other business activities. Payment receipt.

2. Contract (or agreement): Contracts and agreements are important evidence and basis for economic entities to participate in economic activities, and therefore can be used as effective evidence of trademark use. However, many contract (or agreement) terms seem strict, but the trademark logo is not obvious.

3. Advertising items: Advertising includes advertisements for goods and services published in various media such as radio, television, newspapers, magazines, etc. Advertising is an important way for enterprises to promote their trademarks, goods and services. Trademark logos are often placed in prominent positions in advertisements and are a good evidence material.

4. Packaging: Packaging includes product packaging, service supplies packaging or containers, etc. Since it is difficult to determine the specific time of printing and use of simple packaging or containers, other evidence is needed to support it. For example, the contract signed with the printing house when entrusting printing, etc., must indicate the trademark name.

5. Product inspection report: A product inspection report issued by the superior quality supervision department, industry association and other authoritative organizations to prove the quality of the product. The procedures are strict and the contents of the report are clearly marked. It is a good evidence of trademark use. Other materials that can be used as evidence of trademark use include product instructions, inspection and quarantine certificates for goods entering and exiting LI, product customs declaration forms, etc. However, none of the above-mentioned single materials may be able to fully prove the use of a trademark. Therefore, multiple evidence materials are often required to corroborate and correlate with each other to form an effective evidence chain to fully prove the use of a trademark.