Intangible assets usually include patents, non-patented technologies, trademarks, copyrights, concessions and land use rights. Natural intangible assets include natural resources such as natural gas without physical form.

(1) patent right: refers to the exclusive right granted by the national patent authority to the applicant for a patent for invention and creation within the statutory time limit, including the patent right for invention, the patent right for utility model and the patent right for design.

(2) Non-patented technology: also known as proprietary technology, refers to various technologies and proprietary technologies that are not known to the outside world, should be adopted in production and business activities, and can bring economic benefits without legal protection.

(3) Trademark right: refers to the right to use a specific name or design exclusively on a specific commodity or product.

(4) Copyright: Some special rights enjoyed by producers in accordance with the law for the literary, scientific and artistic works they create.

(5) Franchising: also known as franchising and franchise, refers to the right of an enterprise to operate or sell a specific commodity in a certain area or the right of an enterprise to accept another enterprise's use of its trademark, trade name, technical secret, etc.

(6) Land use right: refers to the right that the state allows enterprises to develop, utilize and operate state-owned land within a certain period of time.

(7) Business secrets