how to retain the evidence of use?

Here are some ways to preserve evidence of use during trademark use:

1. Contracts and invoices: Store business contracts, procurement contracts, sales contracts, etc. related to trademarks, as well as corresponding invoices, and clearly reflect trademark information.

2. Product packaging: retain the product with the trademark, packaging, labels, etc.

3. Promotional materials: such as brochures, posters, advertising pictures or videos, screenshots of online promotion pages, etc.

4. Transaction documents: such as bank transfer records, receipts and other documents that can prove that the transaction is related to the trademark.

5. Relevant documents: inspection reports, customs declarations, freight bills of lading and other documents related to the use of trademarks.

6. Correspondence: correspondence with customers and suppliers involving the use of trademarks.

7. Exhibition information: photos of the exhibition, relevant certificates and other information that can reflect the trademark display.

8. Media reports: original or screenshots of media reports about trademarks and products or services.