The design patent has been invalidated, is it necessary to appeal to the intellectual property court?

According to relevant information, if you are not satisfied with the invalid judgment of patent right, you need to appeal to the intellectual property court. After the patent right is invalid, it is necessary to analyze the reasons why the patent is invalid, and then write a defense opinion by yourself or entrust others to request the patent office to reject the invalid application. The patent office usually makes a decision within a limited time. If the patentee refuses to accept the decision that the patent right is invalid, he may bring a lawsuit to the people's court within three months and submit supplementary evidence to prove the validity of the patent.