Article 118 With the consent of the Patent Administration Department of the State Council, anyone may inspect or copy the published or announced patent application files and patent registration books, and may request the Patent Administration Department of the State Council to issue a patent Copy of register.
The files of patent applications that have been deemed withdrawn, rejected or voluntarily withdrawn will not be kept after 2 years from the date of expiration of the patent application.
The case files of patent rights that have been abandoned, declared invalid and terminated will not be kept after 3 years from the date of expiration of the patent rights.