Applying for an invention patent requires the following materials: request, description and abstract, claims, etc. After a party applies for an invention patent, the authorized scope of the invention patent shall be limited to the scope required by the submitted claims.

Legal Basis

Article 26 of the Patent Law of the People's Republic of China

To apply for an invention or utility model patent, a request must be submitted Documents such as book, description, abstract and claims.

The request shall state the name of the invention or utility model, the name of the inventor, the name and address of the applicant, and other matters.

The description shall provide a clear and complete description of the invention or utility model, which shall be subject to the ability of a skilled person in the relevant technical field to realize it; when necessary, there shall be accompanying drawings. The abstract should briefly describe the technical key points of the invention or utility model.

The claims should be based on the description and clearly and briefly define the scope of patent protection requested.

Article 27

When applying for a design patent, a request, pictures or photos of the design, a brief description of the design and other documents shall be submitted.