legal ground
Article 863 of the Civil Code of People's Republic of China (PRC)
Technology transfer contracts include patent right transfer, patent application right transfer and technology secret transfer.
Technology licensing contracts include patent licensing, technology secret licensing and other contracts.
Technology transfer contracts and technology licensing contracts shall be in written form.
Article 864
A technology transfer contract and a technology licensing contract may stipulate the scope of patent implementation or the scope of use of technical secrets, but they shall not restrict technology competition and technology development.