The "China Patent Bulletin" is the only statutory publication published regularly by the State Intellectual Property Office on a weekly basis for acceptance, examination and authorization announcements. It is divided into "Invention Patent Bulletin" and "Utility Model Patent Bulletin" , "Design Patent Bulletin" three types. Each communiqué is bound into one issue every week, and there are 52 issues throughout the year, published in the form of large 16-page printed matter. It integrates economic, legal and technical information, reflects the latest inventions and creations at home and abroad that have applied for patent protection in China, and plays an immeasurable role in promoting scientific and technological development and quickly disseminating scientific and technological information.