Can a Case Be Reopened After Being Closed? Civil and Criminal Grounds

Yes, a case can be reopened after being closed, but only on specific legal grounds and within strict deadlines. Whether a case can be reopened after being closed depends on whether it’s civil or criminal, how it ended (verdict, default, or dismissal), and how long ago the judgment was entered. Civil litigants generally work through Rule 60(b) of the Federal Rules of Civil Procedure; criminal defendants have a narrower set of tools, including motions for a new trial and post-conviction petitions. One situation is truly off limits: a criminal acquittal cannot be reopened at all.

Reopening a Closed Civil Case

In federal civil court, the main mechanism is Rule 60(b). It lets a court relieve a party from a final judgment on six grounds:1Cornell Law School. Rule 60 Relief from a Judgment or Order

  • Mistake, inadvertence, surprise, or excusable neglect.
  • Newly discovered evidence that could not have been found earlier with reasonable diligence.
  • Fraud, misrepresentation, or misconduct by the opposing party.
  • The judgment is void (for example, because the court lacked jurisdiction over you or the subject matter).
  • The judgment has been satisfied, released, or is no longer equitable to enforce.
  • Any other reason justifying relief, the so-called catchall.

The catchall provision, Rule 60(b)(6), is reserved for genuinely extraordinary circumstances. The Supreme Court has allowed it where a party was jailed, sick, unrepresented, and effectively unable to participate, and refused it where a represented party simply chose not to appeal and later regretted the choice. Inability to act is different from a decision you now wish you’d made differently.

Deadlines matter here as much as grounds. Motions based on the first three reasons — mistake, new evidence, or fraud — must be filed no more than one year after the judgment. Every Rule 60(b) motion, including one attacking a void judgment, must be filed within a “reasonable time.”1Cornell Law School. Rule 60 Relief from a Judgment or Order The Supreme Court confirmed in 2026 that even void-judgment challenges carry that reasonable-time requirement, rejecting the view held by some lower courts that those motions had no time limit at all. What counts as reasonable depends on the facts, but unexplained delay of years will usually sink the motion.

Default Judgments: The Most Common Way Back In

Probably the most common real-world version of “can my case be reopened” involves a default judgment entered because someone never responded to the lawsuit. Federal Rule 55(c) lets a court set aside an entry of default for good cause, and directs parties to Rule 60(b) once the default has become a final judgment.2Cornell Law School. Rule 55 Default – Default Judgment

Courts asked to vacate a default look at three things: whether you had a good reason for not responding, whether you have a viable defense to the underlying claim, and whether reopening would unfairly prejudice the other side. A default entered without proper service may qualify as void under Rule 60(b)(4), which is a stronger footing than arguing you simply missed the response.1Cornell Law School. Rule 60 Relief from a Judgment or Order

Dismissed Cases: With or Without Prejudice

When a case ended in dismissal rather than a decision on the merits, whether it can return turns on two words in the dismissal order. A dismissal with prejudice is final. The same claims cannot be brought again, and the only path forward is an appeal. A dismissal without prejudice leaves the door open: you can refile after fixing whatever led to the dismissal, so long as the statute of limitations for your claim has not run. That clock is not reset by the dismissal.

The same labels do the same work in criminal court. Prosecutors who dismiss charges without prejudice can refile if the statute of limitations still allows it. A dismissal with prejudice bars refiling. This is why a charge dropped early in a case can sometimes come back months later, once prosecutors have gathered more evidence.

Grounds That Can Reopen Any Case

Newly Discovered Evidence

New evidence is one of the strongest grounds for reopening, but courts apply a demanding test. The evidence must not have been discoverable through reasonable effort before the case ended, it cannot merely add to what was already presented, and it must be material enough that it likely would have changed the outcome.

In criminal cases, there’s a related duty on the prosecution’s side. Under Brady v. Maryland, prosecutors who suppress evidence favorable to the defendant violate due process whether the suppression was intentional or not.3Justia U.S. Supreme Court Center. Brady v Maryland, 373 US 83 (1963) A Brady violation discovered after conviction is a recognized basis for a new trial or post-conviction relief.

Fraud or Misconduct by the Other Side

A judgment obtained through perjury, forged documents, or similar deception can be undone. On the civil side, Rule 60(b)(3) covers fraud, misrepresentation, and misconduct by an opposing party, with the one-year filing deadline.1Cornell Law School. Rule 60 Relief from a Judgment or Order On the criminal side, prosecutorial misconduct such as knowingly presenting false testimony or hiding exculpatory evidence can support a post-conviction motion.

Ineffective Assistance of Counsel

Criminal defendants who were denied effective legal representation can seek to reopen their case under the Sixth Amendment.4Constitution Annotated | Congress.gov | Library of Congress. Amdt6.6.5.1 Overview of the Right to Effective Assistance of Counsel The test has two parts: the lawyer’s performance fell below a reasonable professional standard, and the deficient performance actually affected the outcome. Disagreement with strategy is not enough. You have to show that no competent lawyer would have made the same choices, and that the choices made a real difference.

Judicial Bias or Conflict

Federal law requires judges to disqualify themselves when their impartiality could reasonably be questioned, including where they have personal knowledge of disputed facts, previously served as a lawyer in the matter, or have a financial interest in the outcome.5Office of the Law Revision Counsel. 28 US Code 455 – Disqualification of Justice, Judge, or Magistrate Judge When a disqualifying conflict only comes to light after judgment, it can support a motion to vacate.

Criminal Cases: Motion for a New Trial

In federal criminal court, Rule 33 of the Federal Rules of Criminal Procedure is the direct route. A motion based on newly discovered evidence must be filed within three years of the guilty verdict. For any other ground, the window is 14 days after the verdict.6Cornell Law School. Federal Rules of Criminal Procedure Rule 33 – New Trial That 14-day window is easy to miss and impossible to recover once it passes.

Courts ask whether new evidence could reasonably lead to a different verdict, and whether any trial error had actual impact on the outcome. A “harmless” error, one that did not affect the result, will not justify a new trial no matter how technically improper it was.

After Sentencing: Post-Conviction Options

Once a criminal defendant has been convicted and sentenced, the options narrow but don’t vanish.

Federal Habeas Corpus

Under 28 U.S.C. § 2255, a federal prisoner can move to vacate, set aside, or correct a sentence imposed in violation of the Constitution, where the court lacked jurisdiction, or where the sentence exceeded the legal maximum.7Office of the Law Revision Counsel. 28 US Code 2255 – Federal Custody Remedies on Motion Attacking Sentence The motion is filed in the court that imposed the sentence. State prisoners challenging their convictions in federal court use a different provision, 28 U.S.C. § 2254, but the theory is the same: the conviction violated your constitutional rights.

A one-year statute of limitations applies. The clock starts on the latest of four events: the conviction becoming final after direct appeal, the removal of a government-created obstacle to filing, the Supreme Court’s recognition of a new constitutional right that applies retroactively, or the date you discovered (or should have discovered) the factual basis for your claim.8Office of the Law Revision Counsel. 28 USC 2244 – Finality of Determination Time spent on a properly filed state post-conviction petition does not count against the year.

Post-Conviction DNA Testing

Federal law lets a convicted defendant request DNA testing where the results could produce new material evidence raising a reasonable probability that the defendant did not commit the offense.9Office of the Law Revision Counsel. 18 USC Ch 228A – Post-Conviction DNA Testing The petitioner must assert actual innocence under penalty of perjury, identify a theory of defense the testing would support, and show the evidence has been properly preserved. The evidence must either not have been tested before, or you must be requesting a substantially better method than the one previously used.

Writ of Error Coram Nobis

Coram nobis is a rare remedy for people who have already finished serving their sentence and so cannot use habeas corpus, which requires being in custody. The petition asks the original court to correct a fundamental error, such as complete denial of the right to counsel, that would have changed the outcome. The petitioner has to show the error was unknown at trial and that the conviction still carries ongoing consequences, like immigration penalties or loss of professional licenses. Courts grant these petitions infrequently, but they remain an option when nothing else fits.

The One Case That Cannot Be Reopened: An Acquittal

There is a hard limit. A criminal defendant who has been acquitted cannot be retried. The Fifth Amendment’s Double Jeopardy Clause forbids the government from taking a second shot after a not-guilty verdict, and this is treated as the most fundamental rule in double jeopardy law.10Cornell Law School. Reprosecution After Acquittal The acquittal stands even if it rested on a judge’s misunderstanding of the law, and the government has no appeal from it.

A mistrial is different. When a trial ends without a verdict, retrial is allowed if the mistrial was the product of “manifest necessity.” A hung jury meets that standard. So do situations like discovering a juror was disqualified or that an obvious error would force reversal of any conviction.11Cornell Law School. Reprosecution After Mistrial

Deadlines at a Glance

Every path to reopening has a deadline, and courts enforce them strictly.

State courts set their own deadlines, and some are shorter than the federal ones. The pattern across jurisdictions is consistent: delay hurts you, and not knowing about a deadline is rarely an excuse.

The Risk of Filing Without a Real Basis

Filing a motion to reopen without a genuine legal basis is not just unlikely to work; it can cost money. Rule 11 of the Federal Rules of Civil Procedure treats every filing as an implicit certification that it has a legal and factual basis and is not being submitted to delay or harass.12Cornell Law School. Rule 11 Signing Pleadings, Motions, and Other Papers A court that finds otherwise can impose sanctions on the attorney, the client, or both, including payment of the opposing party’s fees and costs. Sanctions must be limited to what is necessary to deter the conduct, but the exposure is real once the rule’s 21-day safe harbor for withdrawing a challenged filing has passed.

Before filing anything, weigh whether your ground actually fits one of the recognized categories, whether you’re inside the applicable deadline, and whether the evidence or argument you’re bringing would genuinely have changed the outcome. Those three questions decide most motions to reopen before a judge ever reads them.