What is an invention _ patent?

Invention patent refers to an unprecedented patented technology or method with originality, novelty and practicality; Among the three patent types, utility model patent, invention patent and appearance patent have the highest technical content and value, so the protection period of invention patent is the longest (20 years). Invention patents include product patents and method patents. 1, product invention, product invention, refers to the products directly produced by the technical scheme provided by the inventor to solve specific problems, such as electric lights, telephones, machines, equipment, instruments, new alloy substances and other inventions. Substances that are in a natural state without human processing are not product inventions, such as natural gems and minerals. After a product invention is patented, it is called a product patent, which only protects the product itself and does not protect the manufacturing method of the product.