An application for a writ of habeas corpus asks a court to overturn your conviction because of a state or federal constitutional violation. An application for a Writ of Habeas Corpus is filed when a person seeks relief from unlawful detention or imprisonment.The writ of habeas corpus is the remedy to be used when any person is restrained in his liberty. The writ of 'Habeas Corpus' is the fundamental legal instrument designed to safeguard individual freedom against arbitrary and lawless government action. A writ of habeas corpus is a legal tool that a person can use to enforce a superior right of possession to a child. The state writ of habeas corpus is a legal mechanism that allows individuals to challenge their detention or imprisonment. In this application form: 1. A Writ of Habeas Corpus (Latin for "that you have the body") may be filed on behalf of a person who is unlawfully imprisoned. The term "Writ of Habeas Corpus" is a Latin phrase that literally means "you shall have the body. In Texas, a writ of habeas corpus is a court order in which the judge demands a law enforcement agency to produce a detainee for a court hearing.