What is the process of patent invalidation request?

First, make a request for invalidation and pay the fee;

Two, review the cases accepted by the Committee;

3. Supplementary reasons or evidence within 1 month after submission (unnecessary);

4. (The patentee and the claimant) reply to the notification document (unnecessary);

5. The review committee shall form a collegial panel to conduct the trial;

Six, the review committee issued a notice of oral hearing, specify the date of oral hearing;