How to apply for a logo design patent? Drawings generally have the following two forms: 1, 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, the pattern marked on the official seal can be used by ordinary applicants. Generally speaking, the applicant can determine the size, grid or other dimensions of the pattern by himself. 2. Handling documents: If you don't have documents, you can entrust an agent to handle them. You need to prepare your own materials. 3. Copyright certificate: generally including the following items: 1, trademark graphics (including written works, also called formal graphics); 2. copyright registration certificate; 3. Trademark registration certificate; 4. Substantive review form; 5. Registration Form for Pre-lending of Trademarks; 6. A copy of the preliminary announcement; 7. Other laws and languages. The effect of this proof is that advertising operators get basic benefits.