The notice of defense for preliminary examination of utility model is generally issued by China National Intellectual Property Administration and sent to the contact person designated by the applicant. Check the review and notification information related to your application on China National Intellectual Property Administration website. Go to official website's homepage, click "Online Application Service" or "Patent Application and Examination", enter the patent application system, and log in the account to check the details.
The contents of the defense notice for preliminary examination of utility model mainly include the examination opinions on the application for patent for utility model submitted by the applicant and the contents that need to be supplemented or explained in the application. This notice is a written confirmation of the examination results of China National Intellectual Property Administration utility model patent application, and provides an important reference for the follow-up work of the applicant's patent application.