立案 (lì àn): File a case (Verb) — Meaning & Stroke Order

Given the solid evidence, the court decided to file the case for trial immediately.

After you report the case to the police, how long will it take for them to file it for investigation?

The company decided to file a case and investigate the infringement.

Due to a lack of key clues, the police are temporarily unable to file the case for investigation.