Re F; Ex parte F

The Full Court of the High Court of Australia heard an application for a writ of habeas corpus brought by F, seeking the release of his infant son, also referred to as F, from the custody of his mother. The dispute concerned the father's right to have his son brought before the court to determine the child's welfare, notwithstanding the mother's objection to the child leaving her care.

The central legal issue before the Court was whether the father, as an applicant for a writ of habeas corpus, had established a sufficient interest in the welfare of the infant to justify the court's intervention. This involved considering the principles governing the grant of habeas corpus in relation to infants, particularly where the application is not for the purpose of enforcing a legal right to custody but rather to ensure the child's welfare is considered by the court.

The Court reasoned that the writ of habeas corpus is a fundamental remedy for the protection of liberty, and in the context of infants, it serves to bring a child before the court to inquire into the circumstances of their detention and to make such orders as are necessary for their welfare. The Court held that a parent, such as the father in this instance, has a sufficient interest in the welfare of their child to apply for the writ, even if they do not have an immediate legal right to custody. The Court emphasised that the paramount consideration in such applications is the welfare of the child.

The Court ordered that the writ of habeas corpus should issue, requiring the mother to produce the infant before the Court.