1. When a Completed Federal Sentence Still Has Legal Consequences
Under the All Writs Act, 28 U.S.C. § 1651(a), and United States v. Morgan, federal courts may revisit a fundamentally defective conviction after ordinary relief is unavailable.
Coram Nobis Compared with a 2255 Motion
Imprisonment, probation, or supervised release under the challenged sentence may satisfy § 2255 custody. Coram nobis ordinarily becomes available only after that custody ends, not when someone misses a § 2255 deadline.
| Issue | Section 2255 Motion | Coram Nobis Petition |
|---|---|---|
| Custody | Still under the challenged sentence | Custody under that sentence has ended |
| Timing | Generally one year, subject to statutory triggers | No fixed one-year period; delay must be justified |
| Court | Sentencing federal court | Court that entered the federal conviction |
Custody
- Section 2255 MotionStill under the challenged sentence
- Coram Nobis PetitionCustody under that sentence has ended
Timing
- Section 2255 MotionGenerally one year, subject to statutory triggers
- Coram Nobis PetitionNo fixed one-year period; delay must be justified
Court
- Section 2255 MotionSentencing federal court
- Coram Nobis PetitionCourt that entered the federal conviction
Continuing Harm Must Be More Than Regret
Removal proceedings, concrete licensing restrictions, or sentencing enhancements may demonstrate continuing harm. Circuit standards differ; in the Second Circuit, speculative employment concerns are insufficient.
The remedy challenges the judgment rather than simply removing an entry from a background check. Other post-conviction remedies address different problems.
2. Which Errors Can Support a Coram Nobis Petition?
A regretted plea is not enough. The error must undermine the validity of the federal proceedings.
Incorrect Immigration Advice and Ineffective Assistance
Under Strickland v. Washington, ineffective assistance requires deficient performance and resulting prejudice. Padilla v. Kentucky requires advice about deportation risks. A petitioner must show why proper advice could reasonably have changed the plea decision.
Messages from the plea period or a viable alternative charge may be more persuasive than a later claim that trial would have been preferable.
Chaidez v. United States bars retroactive reliance on Padilla for convictions final before 2010. Earlier affirmative misadvice may warrant separate circuit-specific analysis.
Fundamental Errors Beyond Immigration
Denial of counsel or another grave constitutional defect may qualify. A change in law alone may not.
In Stinn v. United States (2d Cir. 2026), relief was denied despite an invalid jury-instruction theory because the error had not substantially influenced the verdict.
Identifying an error is different from establishing grounds to vacate the judgment.
3. The Records Must Explain Both the Error and the Delay
The petition must connect the original proceedings to the alleged defect, current harm, and filing delay.
What the Plea and Immigration Files Can Establish
Plea transcripts and attorney correspondence can expose a conflict between courtroom warnings and private advice. Judgments establish the offense of conviction; immigration notices or licensing decisions document present harm.
Together the records support a focused post-conviction relief assessment.
Why the Petition Was Not Filed Earlier
There is no fixed one-year limit, but Morgan requires sound reasons for not seeking earlier relief. Courts assess when the problem became known and what steps followed.
A late removal notice does not automatically excuse years of inaction after a known plea error. Dates of warnings, attorney consultations, and earlier filings can explain whether the delay was justified.
4. What Happens When the Convicting Court Reviews the Petition
File in the federal court that entered the conviction. The government may respond, and the court may decide on written submissions or hold a hearing.
If the petition is denied, federal appeals ordinarily follow Rule 4(a), with a 60-day notice deadline when the United States is a party.
Vacating a Conviction Does Not Resolve Every Consequence
Vacatur does not automatically expunge records, foreclose renewed prosecution, or terminate removal proceedings.
Immigration authorities may need to assess why the conviction was vacated before changing the person's immigration status.
5. Frequently Asked Questions about Coram Nobis
Q: Can federal coram nobis erase a criminal record?
A: No automatic erasure follows. Vacatur, expungement, and sealing have different legal effects.
Q: Can I use federal coram nobis to challenge a state conviction?
A: No. Federal coram nobis addresses federal judgments; state convictions require state-law remedies.
Q: How long does a federal coram nobis petition take?
A: No uniform deadline applies. Government briefing, factual disputes, and hearings affect timing.
6. Reviewing an Old Federal Judgment before Filing Coram Nobis
The immediate question is whether the old federal judgment contains a fundamental defect, not simply whether the conviction still causes hardship.
A coram nobis attorney can examine the plea or trial record, proof that supervision ended, notices of current harm, and the history of earlier efforts before deciding whether a petition is justified.
15 Oct, 2026
