Petition for Writ of Habeas Corpus—LPS Act (Mental Health)

Judicial Council of California · Criminal

Verified current as of July 10, 2026

This form is used to ask a court to release someone from mental health detention or treatment by filing a legal petition called a writ of habeas corpus. People who believe they are being unlawfully held or treated under California's mental health laws (called the Lanterman-Petri-Short Act) use this form to challenge their detention and seek freedom.