patent of invention
The definition of invention in the second paragraph of Article 2 of China's Patent Law is: "Invention refers to a new technical scheme proposed for a product, method or its improvement."
patent of invention
Invention refers to a new technical scheme for a product, method or its improvement, which mainly embodies novelty, creativity and practicality. Patent inventions are divided into product inventions (such as machines, instruments and equipment, appliances) and method inventions (manufacturing methods).
Utility model patent
Utility model refers to a new practical technical scheme for the shape, structure or combination of products. The patent for utility model is granted without substantive examination, with simple procedures and low cost. Therefore, small inventions about tangible products such as daily necessities, machinery and electrical appliances are more suitable for applying for utility model patents.