noun
offense prosecutable only upon victim's complaint
A legal term for crimes that require a formal complaint from the victim before prosecution can proceed. Common examples include defamation and certain sexual offenses.
名誉毀損は親告罪なので、被害者の告訴が必要です。
Defamation is an offense prosecutable only upon complaint, so a formal complaint from the victim is required.
非親告罪 is an offense that can be prosecuted without a victim's complaint, contrasting with 親告罪.
Compound of 親 (oneself, in person) + 告 (inform, report) + 罪 (crime). The term reflects the requirement that the victim personally files a complaint.