Contact an award-winning Writ of Habeas Corpus lawyer today. Habeas Corpus, in the Federal Court, is a petition that claims that you are being detained against your US constitutional rights.These are the official forms for use in Family Court proceedings. A writ of habeas corpus is a judicial mandate to a prison official, usually the warden, ordering that an inmate be brought to the court. Petition for a Writ of Habeas Corpus Under 28 U.S.C. § 2241. Download. A Writ of Habeas Corpus is a civil proceeding that is available in both State and Federal Court to challenge the legality of imprisonment. A seasoned New York habeas corpus lawyer can guide and represent you in the filing and litigation of a motion for a writ of habeas corpus. To get a writ of habeas corpus, you must file a petition for a civil (not criminal) proceeding in either state or federal court. Any prisoner, or another person acting on their behalf, may petition the court, or a judge, for a writ of habeas corpus. LAW"). 3. Other ways of attacking your conviction include filing an appeal, or a state or federal writ of habeas corpus.