Legal analysis: invalid. If the case is really filed, the court will inform you and appeal to you. If you don't receive the notice from the court, you don't have to write. After registration, the people's court shall promptly transfer the case to the trial court for trial. In terms of filing a case, the parties may complain to the people's court or the people's court at a higher level about illegal and disciplinary acts such as not accepting a complaint, not issuing a written certificate after receiving a complaint, not telling the parties to correct the complaint content at one time, not filing a case, delaying filing a case, interfering with filing a case, not filing a case, not making a ruling or making a decision.

Legal basis: Article 125 of the Civil Procedure Law, the people's court shall send a copy of the indictment to the defendant within five days from the date of filing the case, and the defendant shall submit a reply within fifteen days from the date of receipt. The defense shall specify the defendant's name, gender, age, nationality, occupation, work unit, residence and contact information; The name and domicile of the legal person or other organization and the name, position and contact information of the legal representative or principal responsible person. The people's court shall send a copy of the defense to the plaintiff within five days from the date of receiving the defense. If the defendant fails to submit the defense, it will not affect the trial of the people's court.

"Provisions of the Supreme People's Court on Several Issues Concerning the Registration of People's Courts" Article 2 The people's courts shall accept all prosecutions and private prosecutions, issue documents and indicate the date of acceptance. The people's court shall register and file a case on the spot for prosecution or private prosecution that conforms to the law. The people's court shall explain the prosecution and private prosecution that do not conform to the law.