Patent system is an internationally accepted system that uses legal and economic means to confirm the inventor's exclusive right to his invention in order to protect and promote technological inventions.
Sales is an organizational function and procedure, which aims at creating, communicating and transmitting value for customers and managing customer relationships to benefit the organization and its stakeholders. Sales is the process of introducing the benefits provided by goods to meet the specific needs of customers. Of course, commodities include tangible commodities and intangible services attached to commodities. Meeting the specific needs of customers means meeting the specific desires of customers or solving the specific problems of customers. Only the special benefits provided by commodities can meet the specific needs of customers.
Patent sale means that the patentee has the right to express clearly that he is willing to sell the patented product with the technical characteristics mentioned in the claim, and prohibits others from promising to sell the patented product without the permission of the patentee.