Writ of Coram Nobis After a Court-Martial: Reopening a Final Military Conviction

A last-resort remedy when your appeals are over but the conviction is still wrong — and still costing you.

Your court-martial appeal is finished. The conviction is final. Is anything left? Sometimes, yes. A writ of error coram nobis is a rare and narrow way to ask a military appellate court to undo a conviction that is already final — long after the normal appeal process has ended. It is not a second appeal, and it is not for everyone. But in the right case, it is the only door still open.

Coram nobis is Latin for “before us” — the court that decided your case looks again at its own judgment. Think of it as the legal system’s emergency exit: not a door you use in the ordinary course, available only when every normal way out of the building is already closed behind you. Most lawyers — including many military lawyers — rarely see one. We do.

A long-standing remedy, confirmed by the Supreme Court

Coram nobis is centuries older than any modern case. The military courts have used it for decades — the Court of Military Appeals (the CAAF’s predecessor) recognized the authority to issue the writ as early as United States v. Frischholz, 16 C.M.A. 150, 36 C.M.R. 306 (C.M.A. 1966), and the CAAF reaffirmed that authority in Loving v. United States, 62 M.J. 235 (C.A.A.F. 2005). The power flows from the All Writs Act, 28 U.S.C. § 1651(a).

What United States v. Denedo, 556 U.S. 904 (2009), added was the Supreme Court’s stamp of approval. The Government argued that once a conviction is final under Article 76 of the Uniform Code of Military Justice, the military courts lose all power to touch it — coram nobis included. The Supreme Court disagreed. It confirmed that the service Courts of Criminal Appeals and the Court of Appeals for the Armed Forces (CAAF) do have jurisdiction to entertain a coram nobis petition challenging a conviction they earlier affirmed.

The reason the writ survives finality is that the courts treat it as a continuation of the original case, not a brand-new lawsuit. That distinction is what keeps the door open after Article 76 — and it is also why the courts guard the remedy so closely, granting it, in their words, only in extreme cases.

What you must show: the six requirements

Filing is the easy part — there is no deadline, and a petition may be filed at any time. Winning is hard. The petitioner carries a heavy burden and must satisfy all six of the threshold requirements the CAAF set out in Denedo v. United States, 66 M.J. 114 (C.A.A.F. 2008). Miss one, and the petition fails:

1. A fundamental error. The alleged error is of the most fundamental character — not a technical slip, but something that strikes at the validity of the conviction itself.
2. No other remedy. Coram nobis is the only avenue left. If habeas corpus or another remedy is still available, the door is closed.
3. A good reason for the delay. Valid reasons exist for not having raised the issue earlier.
4. Genuinely new information. The new information could not have been discovered earlier through reasonable diligence.
5. Not a do-over. The petition does not ask the court to re-weigh evidence or re-argue legal issues it already considered.
6. Sentence served, but harm continues. The sentence has been served, yet the consequences of the wrongful conviction still follow you — immigration, employment, professional licensing, reputation, and more.

Two limits that surprise people

You usually cannot be in confinement. Coram nobis is generally for people who are out — those no longer in custody on the conviction. If you are still confined, the right tool is typically a writ of habeas corpus in the federal (Article III) courts, not coram nobis. That is requirement two doing its work.

“Final in all respects” can close the door entirely. In United States v. Gray, 77 M.J. 5 (C.A.A.F. 2017), the CAAF held it had no jurisdiction to grant coram nobis in a capital case that was final in all respects under the UCMJ. The takeaway: the procedural posture of your specific case controls whether the remedy is even on the table.

What a coram nobis case can look like

The Denedo case is the best-known modern example. A service member pleaded guilty, served the sentence, and only later faced deportation — a consequence his lawyer had allegedly assured him would not happen. He could no longer file a normal appeal and was no longer in custody, so habeas was unavailable. Coram nobis was the one remaining path to challenge a plea he said was built on bad advice.

Ineffective assistance of counsel is the most common ground, but it is not the only one. Newly surfaced evidence, a fundamental jurisdictional defect, or a recantation can each support a petition — provided every one of the six requirements is met.

Where you file depends on which service convicted you

Each branch has its own Court of Criminal Appeals, and a coram nobis petition starts at the same court that handled your direct appeal:

• Navy and Marine Corps — Navy-Marine Corps Court of Criminal Appeals (NMCCA), the court that decided Denedo.
• Army — Army Court of Criminal Appeals (ACCA).
• Air Force and Space Force — Air Force Court of Criminal Appeals (AFCCA), which continues to apply the six-part test in recent cases.
• Coast Guard — Coast Guard Court of Criminal Appeals (CGCCA), which applies the same six-part test, as in Reese v. United States, 78 M.J. 527 (C.G. Ct. Crim. App. 2018), writ appeal pet. denied, 78 M.J. 47 (C.A.A.F. 2018), where the petition failed for lack of new information.

From any of these, an adverse decision can be taken up to the CAAF, and in a rare case to the Supreme Court. The six requirements are the same across the services, but local rules, filing practice, and how each court has applied Denedo differ in ways that matter. That is where experienced military appellate counsel earns its keep.

Why this is not a do-it-yourself remedy

Coram nobis sits at the intersection of military law, finality doctrine, and federal jurisdiction — an area many capable lawyers never touch. A petition that misreads even one of the six requirements is dead on arrival. Success turns on framing the error correctly, proving the delay was justified, showing no other remedy exists, and documenting the continuing harm with care. Learn more about our military appellate practice at court-martial.com/practice-areas/appeal-of-actions-under-the-ucmj/.

Cave & Freeburg, LLP — your go-to military defense lawyers

Cave & Freeburg, LLP practices military law exclusively. We have handled military appeals and extraordinary writs — at the service Courts of Criminal Appeals, the CAAF, the Supreme Court, and in federal habeas — since 1991. If your court-martial appeal is over but the conviction is still following you, a writ of coram nobis may be the door that remains. Contact us for a confidential review of your case.

By Philip Cave and Nathan Freeburg at www.court-martial.com. (Last reviewed, June 13, 2026.)