What is the withdrawal of a patent application?

Withdrawal of patent application, with the increasing emphasis on patent right, the number of people applying for patent is increasing day by day. However, many applicants are not very clear about some related knowledge of patent application. So what is the withdrawal of a patent application? Withdrawal of patent application What is withdrawal of patent application? The applicant may withdraw his patent application at any time before being granted the patent right. Patent application is the right of the invention creator, which can be used or abandoned, including abandonment in the process of exercise. The withdrawal of a patent application may be made by the applicant in writing to the patent administration department of the State Council, and the application shall take effect as of the date of arrival at the patent administration department of the State Council. The withdrawal of patent application includes not only active withdrawal, but also passive withdrawal. According to the existing patent legal system, negative withdrawal includes: (1) withdrawal that fails to request substantive examination within the time limit. Within three years from the date of filing, the patent administration department of the State Council may conduct substantive examination according to the request made by the applicant at any time; If the applicant fails to request substantive examination within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn. (2) Withdraw expired documents. Where an application for a patent for invention is filed in a foreign country, the patent administration department of the State Council may require the applicant to submit the information retrieved during the examination of his application in that country or the information on the examination results within a specified time limit; If the application is not submitted within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn. (3) Failing to withdraw the reply within the time limit without justifiable reasons. After substantive examination of the application for a patent for invention, the administrative department for patent in the State Council considers that it does not conform to the provisions of the Patent Law, and shall notify the applicant to state his opinions within a specified time limit, or modify his application; If no reply is made within the time limit without justifiable reasons, the application shall be deemed to be withdrawn. Where the applicant withdraws his patent application, he shall file a declaration with the patent administration department of the State Council, stating the name of the invention-creation, the application number and the application date. The declaration of withdrawing the patent application was made after the patent administrative department of the State Council made preparations for publishing the patent application documents, which should still be published; However, the statement of withdrawing the patent application shall be announced in the patent bulletin published later.