Many people were implicated in the case, and eventually it was moved to the courts, where Taiyang finally could employ a lawyer, a Japanese named Hanai, to plead their case. After two hearings, the court ruled that the diagram was not related to military bases, and the company was found not guilty.
後來案子移送法院，台陽才有機會聘請日籍花井大律師力為辯護，兩審才認定所抄的地圖無關要塞地理，獲宣告無罪。