Legal analysis: In the process of examining the invalidation procedure, if there is any ownership dispute, the Committee shall suspend the examination of the invalidation procedure from the date of receiving the request to suspend the invalidation procedure and the copy of the notice of acceptance of litigation or mediation submitted by the parties to the patent ownership dispute, or from the date of receiving the ruling of the relevant people's court to take protective measures for the patent right and the official letter requesting the Patent Reexamination Board to assist in the implementation of patent preservation.
Legal basis: Article 72 of the Detailed Rules for the Implementation of the Patent Law of People's Republic of China (PRC). Before the Patent Reexamination Board makes a decision on the request for invalidation, the person requesting invalidation may withdraw his request.