What software do beginners need to make patent drawings and what conditions do they need to apply for patents?

You can apply for a patent in a patent office in China National Intellectual Property Administration or a patent agency in a provincial capital in China National Intellectual Property Administration. Requirements for applying for a patent: 1. The application documents should be complete: request, specification, patent claim, abstract, picture or photograph; 2. Inventions (achievements) should have "three characteristics" (novelty, creativity and practicality), and the specific requirements are mainly that others have not applied for them and the achievements have not been made public (except those made public at international exhibitions, academic conferences and technical meetings, and leaked without the consent of the inventors); 3. The patent examination system in our country is as follows: early disclosure and request examination system (substantive examination) is adopted for invention patent applications; Take a formal examination of utility model patents and design patents. (The so-called formal review is also called registration system or non-review system. The main contents of the review are whether the application documents meet the requirements and whether the invention is repeated. After it is published in the gazette, it will be authorized if there is no objection within the time limit.) 4. After everything is ready, it can be accepted on the same day and protected by law on the same day. Fees: application fee and invention application examination fee, the amount (RMB) is: application fee for invention patent 95 yuan (including printing fee 5 yuan); Application fee for utility model patent 5 yuan; 5 yuan, application fee for design patent; The examination fee for invention application is 25 yuan. What kind of software is needed to make the design drawing depends on what kind of drawing it is. General mechanical drawing, using the existing office software on the computer is basically ok.