Can I reapply for a patent for utility model?

After the patent for utility model is granted, the document will be made public and become the existing technology. 20 10.9 after the revision of the new patent law, if you apply for your earlier application, the novelty of your later application will also be affected, so your re-application for the invention patent will not be approved. If there is a technical improvement in the patented product, you can declare a patent for the improved part.