It can fail quickly, but it can't be recovered if it fails for too long. Generally, it can be resumed within two months after receiving the notice of invalidation from the patent office, and the official fee is 1000 yuan. Where the party concerned delays the time limit specified in the Patent Law or these Rules or the time limit specified by the patent administration department in the State Council due to irresistible reasons, resulting in the loss of his rights, he may request the patent administration department in the State Council to restore his rights within 2 months from the date when the obstacle is removed, or at the latest within 2 years from the date when the time limit expires. In addition to the circumstances specified in the preceding paragraph, if a party delays the time limit specified in the Patent Law or these Rules or the time limit specified by the patent administration department in the State Council for other legitimate reasons, resulting in the loss of his rights, he may request the patent administration department in the State Council to restore his rights within 2 months from the date of receiving the notice from the patent administration department in the State Council. If a party requests the restoration of rights in accordance with the provisions of the first paragraph or the second paragraph of this article, it shall submit a request for the restoration of rights, explain the reasons, attach relevant supporting documents when necessary, and go through the corresponding procedures that should be handled before losing the rights; In accordance with the provisions of the second paragraph of this article, those who request the restoration of their rights shall also pay the fees.
Legal objectivity:
Detailed rules for the implementation of patent law
Article 65
According to the provisions of Article 45 of the Patent Law, if a patent right is requested to be declared invalid or partially invalid, a request for invalidation of the patent right and necessary evidence shall be submitted to the Patent Reexamination Board in duplicate. The request for invalidation shall, in combination with all the evidence submitted, specify the reasons for the request for invalidation and indicate the evidence on which each reason is based.
The reason for the request for invalidation mentioned in the preceding paragraph refers to that the invention-creation granted a patent does not conform to the provisions of Article 2, Paragraph 1 of Article 20, Article 22, Article 23, Paragraph 3, Paragraph 4 of Article 26, Paragraph 2 of Article 27, Paragraph 2 of Article 33 or Paragraph 1 of Article 20 and Paragraph 1 of Article 43, or belongs to the provisions of Article 5 and Article 25 of the Patent Law, or the patent right cannot be obtained according to the provisions of Article 9 of the Patent Law.