Johnson v. United States

The question here is when the 1-year statute of limitations in 28 U. S. C. § 2255, ¶ 6(4), begins to run in a case of a prisoner’s collateral attack on his federal sentence on the ground that a state conviction used to enhance that sentence has since been vacated. We hold that the period begins when a petitioner receives notice of the order vacating the prior conviction, provided that he has sought it with due diligence in state court, after entry of judgment in the federal case with the enhanced sentence.

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In 1994, petitioner Robert Johnson, Jr., was indicted for distributing cocaine base…