What will happen after the patent certificate is revised?

1. The old and new versions of the patent certificate and the copy of the patent certificate have the same legal effect. Unless otherwise specified, the old version of the patent certificate and the issued copy of the patent certificate will not be replaced by the new version.

2. The new version of the patent certificate and the copy of the patent certificate no longer use the envelope of the patent certificate, but still adopt A4 specification and vertical version; From one side to the front and back, there is only a border on the back without logo and seal; Add a QR code to the original stamp duty mark on the front of the certificate and move the stamp duty mark to the back of the certificate; Add the information of the applicant, inventor or designer of the patent application date on the back of the certificate. In fact, there is also a change record.