1. Generally, the necessary documents include: the request, the applicant's identity certificate, the invention-creation ownership certificate, etc.
2. Particularly necessary documents are the description of the need for a patent for invention or utility model and its abstract, claims and requests, and the brief description, requests and pictures of the design required for a patent for design.
legal ground
Article 26 of the Patent Law of People's Republic of China (PRC)
To apply for a patent for invention or utility model, a written request, a specification, an abstract thereof, a patent claim and other documents shall be submitted.
The request shall specify the name of the invention or utility model, the name of the inventor, the name and address of the applicant and other matters.
The specification shall give a clear and complete description of the invention or utility model, which shall be subject to the realization of the technical personnel in the technical field; Attached drawings shall be attached when necessary. The technical points of the invention or utility model shall be briefly explained.
The patent claim shall be based on the specification, and clearly and briefly define the scope of patent protection.
Article 27
To apply for a patent for design, a request, a picture or photograph of the design, a brief description of the design and other documents shall be submitted.