2. Just pass. It is suggested to apply for a patent for utility model or a patent for utility model and invention at the same time, because a patent for utility model doesn't need real examination, as long as it passes the preliminary examination, it will be passed, although its effective life is only 10 years, my friend, you should know the current social development speed. /kloc-it's hard to say whether your patent will be valuable after 0/0 years. If it is valuable now, then 10 years is enough for you to make a profit. Although the life span of an invention patent is 20 years, it takes 1-3 years from your application to authorization. Will you wait there during this time? Maybe you have the same idea and have taken action. At the same time, if you apply, you can start research and development directly after the utility model is passed, and you can give up the utility model after the invention is passed. At this time, the service life has been extended, and your development has not been limited at first.
3. Precautions: Download files on the Internet because the format is fixed. When typesetting, be careful not to change the original format of the document because of line breaks, such as the header and footer will be typed back. I suffered such a loss and the postage was wasted. In addition, if you are an individual, it is very convenient to download a request for fee reduction, stating that your annual income is below 25,000 yuan, which can greatly reduce your various expenses. Individuals do not need to provide any supporting materials.
I hope I can help you! Hi, I if you have any questions, I wish you success!