Are patent examiners qualified to engage in legal work in the judicial examination?

Yes, the National Judicial Examination is administered by the Ministry of Justice of the People's Republic of China in accordance with the "Judges Law of the People's Republic of China", "Prosecutors Law of the People's Republic of China", " A professional certificate examination established in accordance with the relevant provisions of the Lawyers Law of the People's Republic of China, the Notary Law of the People's Republic of China and the Implementation Measures of the National Judicial Examination. To serve as practicing lawyers, judges, prosecutors and notaries, one must pass the national judicial examination.

So the judicial examination is still meaningful for people engaged in patent work.