The patent pledge contract shall take effect when the pledge registration is handled. According to the relevant laws and regulations, if the property rights in intellectual property rights such as the exclusive right to use registered trademarks, patents and copyrights are pledged, the pledge right will be established when the pledge registration is handled.
Legal objectivity:
Article 444 of the Civil Code of People's Republic of China (PRC) pledges intellectual property rights such as the exclusive right to use a registered trademark, patent right and copyright, and the pledge right is 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.