Types of objects of economic and legal relations: ① tangible property. Refers to the property that the subject of economic law can control and dominate in fact and law.

② economic behavior. It can be: achieving certain economic tasks and indicators; Complete certain work; Perform certain services.

③ intangible property. Also known as intellectual achievements and knowledge wealth.

its necessary conditions: ① it must have a certain "carrier"; (2) To have certain realistic or realizable economic value; ③ It should be recognized by special economic laws and regulations. Mainly include: patents, proprietary technology, trademarks, technical improvement plans, rationalization proposals, business information, production and operation marks.