1, to provide legal protection for the rights and interests of people who have completed intellectual achievements, and to mobilize people's enthusiasm and creativity in scientific and technological research and literary and artistic works;
2. It provides a legal mechanism for the popularization, application and dissemination of intellectual achievements, transforms intellectual achievements into productive forces and applies them to production and construction, resulting in enormous economic and social benefits;
3. It provides legal norms for international economic, technological, trade, cultural and artistic exchanges, and promotes the progress of human civilization and economic development.
People's Republic of China (PRC) Civil Code
Article 444
Where the right to exclusive use of a registered trademark, patent right, copyright and other intellectual property rights are pledged, the pledge right shall be established at the time of pledge registration.
After the pledge of property rights in intellectual property rights, the pledgor may not transfer or license others to use them, unless the pledgor and the pledgee agree through consultation. The pledgor shall pay off the debts in advance to the pledgee or deposit the price for transferring or allowing others to use the pledged intellectual property rights.