Where the term of the patent expires or the patent is invalidated, the patentee may not enter into a patent licensing contract with any other person in respect thereof. 專(zhuān)利權有效期限屆滿(mǎn)或者專(zhuān)利權被宣布無(wú)效的,專(zhuān)利權人不得就該專(zhuān)利與他人訂立專(zhuān)利實(shí)施許可合同。