Post-Conviction · § 2254

How Long Do You Have to File a Federal Habeas Petition?

Writ Large · August 15, 2026

Written by Prisoner Legal Aid

Of all the deadlines in post-conviction practice, none gets more people in trouble than AEDPA's one-year statute of limitations for state habeas petitions. It sounds simple — one year — and that simplicity is exactly what makes it dangerous. The clock doesn't always start when people assume it does, and it can be paused by the right kind of state filing. Once the limitations period expires, the petition will ordinarily be dismissed as untimely unless statutory tolling, equitable tolling, the actual-innocence gateway, waiver, or another recognized doctrine applies. The deadline is not jurisdictional, but it is strictly enforced and should never be treated as optional.

Four possible start dates, not one

The statute, 28 U.S.C. § 2244(d)(1), doesn't set a single trigger date. It runs from the latest of four possible events: the date the judgment became final by the conclusion of direct review, or the expiration of the time for seeking that review; the date an unconstitutional state-created impediment to filing was removed, if that impediment actually prevented the filing; the date the Supreme Court newly recognized a constitutional right and made it retroactively applicable to cases on collateral review; or the date the factual predicate of the claim could have been discovered through the exercise of due diligence.

For most cases, finality under § 2244(d)(1)(A) supplies the start date, but the calculation depends on how far direct review actually proceeded. If the state's highest court decides the direct appeal—or denies discretionary review after it was timely sought—the judgment generally becomes final when the 90-day period for seeking certiorari in the U.S. Supreme Court expires, or when the Supreme Court denies certiorari or decides the case. If the prisoner does not timely seek review in the state's highest court, finality generally occurs when the time for seeking that state-court review expires; an additional 90-day federal certiorari period ordinarily is not added to an intermediate state-court decision. Gonzalez v. Thaler, 565 U.S. 134 (2012). State appellate rules therefore must be checked before fixing the federal start date. Getting this date right is foundational — miscalculating it by even a few weeks can mean a petition that looks timely is actually already barred.

The tolling provision that saves — and traps — people

Here's where a lot of the real complexity lives. Under § 2244(d)(2), the one-year clock stops running — is "tolled" — during the time a properly filed application for state post-conviction or other collateral review is pending. This is enormously important in practice, because it means the smart, standard sequence — file state post-conviction proceedings first, exhaust those remedies, then turn to federal habeas — doesn't automatically burn through the federal deadline while state courts are doing their work.

But the tolling only applies to a properly filed state application, and that phrase carries real weight. A state filing that's later found to be untimely or otherwise improperly filed under state procedural rules generally doesn't toll the federal clock at all — meaning a prisoner can reasonably believe they're protected by statutory tolling for months or years while a state petition works its way through the system, only to learn later that the state court's rejection on filing-defect grounds means the federal clock never actually paused. This is a frequent and consequential trap in reported decisions, precisely because it's often invisible until it's too late — a rejection that looks procedural and minor in state court can retroactively make a federal petition untimely.

It's also worth being precise about what tolling doesn't cover: a petition for certiorari to the U.S. Supreme Court seeking review of the denial of state post-conviction relief does not toll the federal clock, a point the Supreme Court made explicit in Lawrence v. Florida, 549 U.S. 327 (2007). Only properly filed state collateral proceedings pause the clock — not a subsequent attempt to get the U.S. Supreme Court involved in that state collateral process.

When the deadline can bend anyway

Two narrow escape valves exist for petitioners who miss the deadline outright. Equitable tolling is available, but only on a showing of both diligent pursuit of rights and an extraordinary circumstance that stood in the way of timely filing — a genuinely demanding, fact-specific standard the Supreme Court confirmed applies to AEDPA in Holland v. Florida, 560 U.S. 631 (2010). Holland rejected a rule under which even egregious attorney misconduct could never support equitable tolling and remanded for application of the proper, flexible equitable standard. Ordinary negligence or a garden-variety deadline miscalculation ordinarily is insufficient, but sufficiently serious attorney misconduct—considered together with the petitioner's own reasonable diligence—can potentially qualify as an extraordinary circumstance. Whether it does is fact-specific. The other escape valve is the actual-innocence gateway from McQuiggin v. Perkins, 569 U.S. 383 (2013), which can allow an untimely petition to proceed on the merits without any separate showing of cause for the delay, if the petitioner can make the demanding Schlup innocence showing.

Why the math has to be done carefully, in writing, before filing

None of the exceptions above are things to count on. Equitable tolling is described by the Supreme Court itself as unavailable for "garden variety" negligence — a simple miscalculation of a deadline generally isn't extraordinary, even though that's exactly the kind of mistake that puts people in this position in the first place. The actual-innocence gateway requires new, reliable evidence that most cases simply don't have. The realistic takeaway is that the one-year clock has to be calculated carefully and conservatively from day one — identifying the correct trigger date, tracking every state filing's effect on tolling, and building in a real margin rather than filing at the last possible moment and hoping the math holds up under scrutiny later.

Once the dates are worked out, what the filing requires is laid out in one checklist.

Primary authorities

• 28 U.S.C. § 2244(d) — the one-year limitations period and statutory tolling
• Gonzalez v. Thaler, 565 U.S. 134 (2012)
• Pace v. DiGuglielmo, 544 U.S. 408 (2005)
• Lawrence v. Florida, 549 U.S. 327 (2007)
• Day v. McDonough, 547 U.S. 198 (2006)
• Holland v. Florida, 560 U.S. 631 (2010)
• McQuiggin v. Perkins, 569 U.S. 383 (2013)

Deadlines and procedural vehicles depend on the judgment, prior filings, jurisdiction, and current law. A general article cannot calculate an individual deadline or determine whether a particular filing is authorized.

If you're not certain when your federal deadline runs, or you've had state filings that might affect the tolling calculation, call 786-408-5073 or start an intake below — this is one deadline where getting a second set of eyes before you file matters enormously.

More on this subject: all articles on this topic.

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