How to apply for a logo design patent? Drawings generally come in the following two forms: 1. In the form of trademark drawings: If the drawings listed in the official seal are used to apply for a patent, you can apply for a patent directly. For example, applicants can generally use the pattern marked on the official seal. Generally, applicants can determine the size, grid or other dimensions of the pattern by themselves. 2. Apply for certificates: If you do not have certificates, you can entrust an agent to do it. You need to prepare this by yourself when preparing the materials. 3. Copyright certificate: generally includes the following items: 1. Trademark graphics (including text works, also called regular graphics); 2. Copyright registration certificate; 3. Trademark registration certificate; 4. Substantive examination form; 5. Trademark advance loan Registration form; 6. Copy of preliminary examination announcement; 7. Other laws, languages, etc. The effect of such proof is that advertising operators obtain basic benefits.