Sua sponte

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In law, sua sponte (Latin: "of his, her, its or their own accord") or suo motu ("on its own motion")[1] describes an act of authority taken without formal prompting from another party.[2] The term is usually applied to actions by a judge taken without a prior motion or request from the parties. The form nostra sponte ("of our own accord") is sometimes used by the court itself, when the action is taken by a multi-member court, such as an appellate court, rather than by a single judge. (Third parties describing such actions would still refer to them as being taken by the court as a whole and therefore as 'sua sponte'.) While usually applied to actions of a court, the term may reasonably be applied to actions by government agencies and individuals acting in official capacity.[3]

One situation in which a party might encourage a judge to move sua sponte occurs when that party is preserving a special appearance (usually to challenge jurisdiction), and therefore cannot make motions on its own behalf without making a general appearance. Common reasons for an action taken sua sponte are when the judge determines that the court does not have subject-matter jurisdiction[4] or that the case should be moved to another judge because of a conflict of interest,[5] even if all parties disagree.

Notable cases[edit]

Other uses[edit]

  • The 75th Ranger Regiment (United States Army Rangers) uses Sua Sponte as their regimental motto, referring to the Rangers' ability to accomplish tasks with little to no prompting and to recognize that a Ranger volunteers three times: for the U.S. Army, Airborne School, and service in the 75th Ranger Regiment.[14]

See also[edit]


  1. ^ Castaldo, Jennifer S. (2015-03-13). "Civil Litigation: Obtaining appellate review of a sua sponte order". NY Daily Record. Retrieved 2021-08-30.
  2. ^ Milani, Adam A.; Smith, Michael R. (2001). "Playing God: A Critical Look at Sua Sponte Decisions by Appellate Courts". Tennessee Law Review. 69: 245.
  3. ^ Couch, Dick (2013-07-02). Sua Sponte: The Forging of a Modern American Ranger. Penguin. ISBN 978-0-425-25360-1.
  4. ^ Shannon, Bradley S. (2017). "Reconciling Subject-Matter Jurisdiction". Hofstra Law Review. 46: 913.
  5. ^ Abramson, Leslie W. (2007). "Judicial Disclosure and Disqualification: The Need for More Guidance". Justice System Journal. 28 (3): 301–308. doi:10.1080/0098261X.2007.10767849. JSTOR 27977352. S2CID 141823072.
  6. ^ Carlisle v. United States, 517 U.S. 416 (Supreme Court of the United States 1996).
  7. ^ Trest v. Cain, 522 U.S. 87 (Supreme Court of the United States 1997).
  8. ^ Karachi violence suo motu: Supreme Court to resume proceedings from today – The Express Tribune
  9. ^ SC reserves verdict in POL GST suo motu case | Pakistan Today | Latest news | Breaking news | Pakistan News | World news | Business | Sport and Multimedia
  10. ^ Pakistan court takes suo motu notice of Hazara killings – The Hindu
  11. ^ Daily Times – Leading News Resource of Pakistan
  12. ^ Pak`s CJ takes suo motu notice of illegal CNG licences
  13. ^ The power of suo motu – The Express Tribune
  14. ^ "US Army Rangers". US Army Ranger Association. Retrieved 29 March 2015.