Recently, the Supreme People's Court issued the Administrative Judgment (2022) Zui Gao Fa Zhi Min Zhong No. 883 in the administrative dispute over the invalidation of utility model patent rights involving Qingdao XX Heavy Industry Co., Ltd., the National Intellectual Property Administration, and the third party Shandong Hanrui Metallurgical Equipment Co., Ltd. (hereinafter referred to as "Hanrui Company"), dismissing the appeal of the plaintiff Qingdao XX Heavy Industry Co., Ltd. The administrative document involved in this case is the Examination Decision on Invalidation Request No. 50087 of the National Intellectual Property Administration, and the case number of the first instance is (2021) Jing 73 Xing Chu No. 13752 of the Beijing Intellectual Property Court.

Beijing Tangsong Yongxin Intellectual Property Agency Co., Ltd. was entrusted by Hanrui Company to act as the agent of the invalidation claimant in the invalidation declaration case, and Beijing Caihe Law Firm was entrusted by Hanrui Company to act as the litigation agent of the third party in the above-mentioned administrative litigation case.