Improvement inventions can also be patented.
The following are the provisions on protected objects in the Patent Law for your reference:
Article 2 The inventions and creations referred to in this Law refer to inventions, utility models and designs.
Invention refers to a new technical solution proposed for a product, method or improvement thereof.
Utility models refer to new technical solutions proposed for the shape, structure or combination of products that are suitable for practical use.
Appearance design refers to a new design that is aesthetically pleasing and suitable for industrial application, based on the shape, pattern, or combination of the product, as well as the combination of color, shape, and pattern.
Article 25 No patent rights shall be granted for the following items:
(1) Scientific discoveries;
(2) Rules and regulations of intellectual activities Methods;
(3) Diagnosis and treatment methods of diseases;
(4) Animal and plant varieties;
(5) Obtained by nuclear transformation method Substance;
(6) Designs made on the patterns, colors, or a combination of the two on flat printed matter that serve primarily as a logo.
Patent rights may be granted in accordance with the provisions of this Law for the production methods of the products listed in item (4) of the preceding paragraph.