Is it legal for private accounts to collect and pay annual patent fees?

According to relevant information, it is legal. You can pay the annual patent fee yourself. According to the relevant laws and regulations, the patentee shall pay the annual fee from the year when the patent right is granted. Moreover, the patentee can pay directly to the patent administration department in the State Council, or remit money through the post office or bank, or pay in other ways as stipulated by the patent administration department in the State Council.