Legal analysis: Claims refer to the part of a patent or patent application that is composed of a series of numbered expressions, or more accurately, noun phrases, in addition to the description part. The claims define in scientific terms the scope of protection conferred by the patent or patent application. They play the most critical role in both patent applications and patent litigation.
Legal basis: "Patent Law of the People's Republic of China" Article 26 When applying for a patent for invention or utility model, a request, description, abstract, claims and other documents shall be submitted.
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 required.
For inventions and creations that rely on genetic resources, the applicant shall state the direct source and original source of the genetic resource in the patent application documents; if the applicant cannot explain the original source, the applicant shall state the reasons.