What department should the patent application be submitted to for acceptance?

According to the Patent Law, People's Republic of China (PRC) and the Patent Office of the People's Republic of China (now renamed as China National Intellectual Property Administration, the same below) accept and examine patent applications and grant patent rights to inventions and creations that meet the statutory conditions.

China National Intellectual Property Administration is the patent authority in China, and the only institution that has the right to accept patent applications according to law. When applying for a patent, the applicant shall submit the application documents directly to the Intellectual Property Office (hereinafter referred to as the Patent Office). If the applicant submits the application documents to other organs, units or individuals by mistake, it will not have legal effect in the patent examination and approval procedure.

The Patent Office has set up a patent acceptance office and a patent application acceptance window, and set up patent offices in Shenyang, Jinan, Changsha, Chengdu, Nanjing, Shanghai, Guangzhou, Xi and Wuhan to accept patent applications and other documents. The address and business scope of the acceptance office of the Chinese Patent Office and the above-mentioned agency shall be announced to the public by the Chinese Patent Office in the form of an announcement.