Justice Scalía
delivered the opinion of the Court.
In his petition for a writ of habeas corpus, Randy G. Spencer seeks to invalidate a September 24,1992, order revoking his parole. Because Spencer has completed the entire term of imprisonment underlying the parole revocation, we must decide whether his petition is moot.
1 — !
On October 17, 1990, petitioner began serving concurrent 3-year sentences in Missouri on convictions of felony stealing and burglary. On April 16,1992, he was released on parole, but on September 24,1992, the Missouri Board of Probation and Parole, after hearing, issued an Order of Revocation revolting the parole. The order concluded that petitioner had violated three of the conditions, set forth in Missouri’s Code of Regulations, Title 14, §80-3.010 (1992), that a Missouri inmate must comply with in order to remain on parole:
“NOW, THEREFORE, after careful consideration of evidence presented, said charges which warrant revocation are sustained, to wit:
[4]*4“#1-LAWS: I will obey all federal and state laws, municipal and county ordinances. I will report all arrests to my Probation and Parole Officer within 48 hours. “#6~DRUGS: I will not have in my possession or use any controlled substance except as prescribed for me by a licensed medical practitioner.
“#7-WEAPONS: I will, if my probation or parole is based on a misdemeanor involving firearms or explosives, or any felony charge, not own, possess, purchase, receive, sell or transport any firearms, ammunition or explosive device or any dangerous weapon as defined by federal, state or municipal laws or ordinances.” App. 55-56.
The specific conduct that violated these conditions was described only by citation of the parole violation report that the board used in making its determination: “Evidence relied upon for violation is from the Initial Violation Report dated 7-27-92.” Id., at 56.
That report, prepared by State Probation and Parole Officer Jonathan Tintinger, summarized a June 3, 1992, police report prepared by the Kansas City, Missouri Police Department, according to which a woman had alleged that petitioner, after smoking crack cocaine with her at a local crack house and later at his own home, pressed a screwdriver against her side and raped her. According to the Kansas City report, petitioner had admitted smoking crack cocaine with the woman, but claimed that the sexual intercourse between them had been consensual. Officer Tintinger’s report then described his own interview with petitioner, at which petitioner again admitted smoking crack cocaine with the woman, denied that he had pressed a screwdriver to her side, and did not respond to the allegation of rape. Finally, after noting that “Spencer [was] a registered sex offender, having been given a five-year prison sentence for Sodomy in 1983,” id., at 75, Officer Tintinger’s report tentatively recommended that petitioner’s parole be continued, but that he be [5]*5placed in a drug treatment center. The report withheld making “an ultimate recommendation based on the alleged [rape and dangerous weapon] violations” until the prosecuting attorney’s office had a chance to dispose of those charges. Id., at 76. “In the event formal charges are ultimately filed,” it said, “a separate recommendation will be forthcoming.” Ibid. Petitioner was never charged, but a September 14, 1992, followup report prepared by Institutional Parole Officer Peggy McClure concluded that “there [did] appear to be significant evidence that Spencer ha[d] violated the conditions of his parole as stated,” and recommended that petitioner’s parole be revoked. Id., at 64. Officer McClure’s report is not mentioned in the Order of Revocation.
On being returned to prison, petitioner began his efforts to invalidate the Order of Revocation. He first sought relief in the Missouri courts, but was rejected by the Circuit Court of De Kalb County, the Missouri Court of Appeals, and, finally, the Missouri Supreme Court. Then, on April 1,1993, just over six months before the expiration of his 3-year sentence, petitioner filed a petition for a writ of habeas corpus, see 28 U. S. C. §2254, in the United States District Court for the Western District of Missouri, alleging that he had not received due process in the parole revocation proceedings.1 [6]*6Over petitioner’s objections, the District Court granted the State two requested extensions of time to respond to the petition, deferring the deadline from June 2,1993, until July 7, 1993. On July 14, 1993, after receiving the State’s response, petitioner filed a lengthy “Motion and Request for Final Disposition of this Matter,” in which he requested that the District Court expedite decision on his ease in order to prevent his claim from becoming moot. Before the District Court responded to this motion, however, on August 7,1993, petitioner was re-released on parole, and, two months after that, on October 16, 1993, the term of his imprisonment expired. On February 3,1994, the District Court “noted” petitioner’s July motion, stating that “[t]he resolution of this ease will not be delayed beyond the requirements of this Court’s docket.” App. 127. Then, on August 23,1995, the District Court dismissed petitioner’s habeas petition. “Because,” it said, “the sentences at issue here have expired, petitioner is no longer ‘in custody5 within the meaning of 28 U. S. C. § 2254(a), and his claim for habeas corpus relief is moot.” Id., at 130.
The United States Court of Appeals for the Eighth Circuit affirmed the District Court’s judgment,2 concluding that, under our decision in Lane v. Williams, 455 U. S. 624, 632 (1982), petitioner’s claim had become moot because he suffered no “collateral consequences” of the revocation order. 91 F. 3d 1114 (1996). (It acknowledged that this interpretation of Lane did not accord with that of the Second and Ninth Circuits in United States v. Parker, 952 F. 2d 31 (CA2 1991), [7]*7and Robbins v. Christianson, 904 P. 2d 492 (CA 91990).) We granted certiorari. 520 U. S. 1165 (1997).
II
The District Court’s conclusion that Spencer’s release from prison caused his petition to be moot because it no longer satisfied the “in custody” requirement of the habeas statute was in error. Spencer was incarcerated by reason of the parole revocation at the time the petition was filed, which is all the “in custody” provision of 28 U. S. C. § 2254 requires. See Carafas v. LaVallee, 391 U. S. 234, 238 (1968); Maleng v. Cook, 490 U. S. 488, 490-491 (1989) (per curiam). The more substantial question, however, is whether petitioner’s subsequent release caused the petition to be moot because it no longer presented a case or controversy under Article III, § 2, of the Constitution. “This case-or-eontroversy requirement subsists through all stages of federal judicial proceedings, trial and appellate.... The parties must continue to have a ‘personal stake in the outcome’ of the lawsuit.”
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Justice Scalía
delivered the opinion of the Court.
In his petition for a writ of habeas corpus, Randy G. Spencer seeks to invalidate a September 24,1992, order revoking his parole. Because Spencer has completed the entire term of imprisonment underlying the parole revocation, we must decide whether his petition is moot.
1 — !
On October 17, 1990, petitioner began serving concurrent 3-year sentences in Missouri on convictions of felony stealing and burglary. On April 16,1992, he was released on parole, but on September 24,1992, the Missouri Board of Probation and Parole, after hearing, issued an Order of Revocation revolting the parole. The order concluded that petitioner had violated three of the conditions, set forth in Missouri’s Code of Regulations, Title 14, §80-3.010 (1992), that a Missouri inmate must comply with in order to remain on parole:
“NOW, THEREFORE, after careful consideration of evidence presented, said charges which warrant revocation are sustained, to wit:
[4]*4“#1-LAWS: I will obey all federal and state laws, municipal and county ordinances. I will report all arrests to my Probation and Parole Officer within 48 hours. “#6~DRUGS: I will not have in my possession or use any controlled substance except as prescribed for me by a licensed medical practitioner.
“#7-WEAPONS: I will, if my probation or parole is based on a misdemeanor involving firearms or explosives, or any felony charge, not own, possess, purchase, receive, sell or transport any firearms, ammunition or explosive device or any dangerous weapon as defined by federal, state or municipal laws or ordinances.” App. 55-56.
The specific conduct that violated these conditions was described only by citation of the parole violation report that the board used in making its determination: “Evidence relied upon for violation is from the Initial Violation Report dated 7-27-92.” Id., at 56.
That report, prepared by State Probation and Parole Officer Jonathan Tintinger, summarized a June 3, 1992, police report prepared by the Kansas City, Missouri Police Department, according to which a woman had alleged that petitioner, after smoking crack cocaine with her at a local crack house and later at his own home, pressed a screwdriver against her side and raped her. According to the Kansas City report, petitioner had admitted smoking crack cocaine with the woman, but claimed that the sexual intercourse between them had been consensual. Officer Tintinger’s report then described his own interview with petitioner, at which petitioner again admitted smoking crack cocaine with the woman, denied that he had pressed a screwdriver to her side, and did not respond to the allegation of rape. Finally, after noting that “Spencer [was] a registered sex offender, having been given a five-year prison sentence for Sodomy in 1983,” id., at 75, Officer Tintinger’s report tentatively recommended that petitioner’s parole be continued, but that he be [5]*5placed in a drug treatment center. The report withheld making “an ultimate recommendation based on the alleged [rape and dangerous weapon] violations” until the prosecuting attorney’s office had a chance to dispose of those charges. Id., at 76. “In the event formal charges are ultimately filed,” it said, “a separate recommendation will be forthcoming.” Ibid. Petitioner was never charged, but a September 14, 1992, followup report prepared by Institutional Parole Officer Peggy McClure concluded that “there [did] appear to be significant evidence that Spencer ha[d] violated the conditions of his parole as stated,” and recommended that petitioner’s parole be revoked. Id., at 64. Officer McClure’s report is not mentioned in the Order of Revocation.
On being returned to prison, petitioner began his efforts to invalidate the Order of Revocation. He first sought relief in the Missouri courts, but was rejected by the Circuit Court of De Kalb County, the Missouri Court of Appeals, and, finally, the Missouri Supreme Court. Then, on April 1,1993, just over six months before the expiration of his 3-year sentence, petitioner filed a petition for a writ of habeas corpus, see 28 U. S. C. §2254, in the United States District Court for the Western District of Missouri, alleging that he had not received due process in the parole revocation proceedings.1 [6]*6Over petitioner’s objections, the District Court granted the State two requested extensions of time to respond to the petition, deferring the deadline from June 2,1993, until July 7, 1993. On July 14, 1993, after receiving the State’s response, petitioner filed a lengthy “Motion and Request for Final Disposition of this Matter,” in which he requested that the District Court expedite decision on his ease in order to prevent his claim from becoming moot. Before the District Court responded to this motion, however, on August 7,1993, petitioner was re-released on parole, and, two months after that, on October 16, 1993, the term of his imprisonment expired. On February 3,1994, the District Court “noted” petitioner’s July motion, stating that “[t]he resolution of this ease will not be delayed beyond the requirements of this Court’s docket.” App. 127. Then, on August 23,1995, the District Court dismissed petitioner’s habeas petition. “Because,” it said, “the sentences at issue here have expired, petitioner is no longer ‘in custody5 within the meaning of 28 U. S. C. § 2254(a), and his claim for habeas corpus relief is moot.” Id., at 130.
The United States Court of Appeals for the Eighth Circuit affirmed the District Court’s judgment,2 concluding that, under our decision in Lane v. Williams, 455 U. S. 624, 632 (1982), petitioner’s claim had become moot because he suffered no “collateral consequences” of the revocation order. 91 F. 3d 1114 (1996). (It acknowledged that this interpretation of Lane did not accord with that of the Second and Ninth Circuits in United States v. Parker, 952 F. 2d 31 (CA2 1991), [7]*7and Robbins v. Christianson, 904 P. 2d 492 (CA 91990).) We granted certiorari. 520 U. S. 1165 (1997).
II
The District Court’s conclusion that Spencer’s release from prison caused his petition to be moot because it no longer satisfied the “in custody” requirement of the habeas statute was in error. Spencer was incarcerated by reason of the parole revocation at the time the petition was filed, which is all the “in custody” provision of 28 U. S. C. § 2254 requires. See Carafas v. LaVallee, 391 U. S. 234, 238 (1968); Maleng v. Cook, 490 U. S. 488, 490-491 (1989) (per curiam). The more substantial question, however, is whether petitioner’s subsequent release caused the petition to be moot because it no longer presented a case or controversy under Article III, § 2, of the Constitution. “This case-or-eontroversy requirement subsists through all stages of federal judicial proceedings, trial and appellate.... The parties must continue to have a ‘personal stake in the outcome’ of the lawsuit.” Lewis v. Continental Bank Corp., 494 U. S. 472, 477-478 (1990). See also Preiser v. Newkirk, 422 U. S. 395, 401 (1975). This means that, throughout the litigation, the plaintiff “must have suffered, or be threatened with, an actual injury traceable to the defendant and likely to be redressed by a favorable judicial decision.” Lewis, supra, at 477.
An incarcerated convict’s (or a parolee’s) challenge to the validity of his conviction always satisfies the case-or-eontroversy requirement, because the incarceration (or the restriction imposed by the terms of the parole) constitutes a concrete injury, caused by the conviction and redressable by invalidation of the conviction. Once the convict’s sentence has expired, however, some concrete and continuing injury other than the now-ended incarceration or parole — some “collateral consequence” of the conviction — must exist if the suit is to be maintained. See, e. g., Carafas, supra, at 237-[8]*8238. In recent decades, we have been willing to presume that a wrongful criminal conviction has continuing collateral consequences (or, what is effectively the same, to count collateral consequences that are remote and unlikely to occur). See Sibron v. New York, 392 U. S. 40, 55-56 (1968).
The present petitioner, however, does not attack his convictions for felony stealing and burglary, which he concedes were lawful; he asserts only the wrongful termination of his parole status. The reinearceration that he incurred as a result of that action is now over, and cannot be undone. Subsistence of the suit requires, therefore, that continuing “collateral consequences” of the parole revocation be either proved or presumed. And the first question we confront is whether the presumption of collateral consequences which is applied to criminal convictions will be extended as well to revocations of parole. To answer that question, it is helpful to review the origins of and basis for the presumption.
Originally, we required collateral consequences of conviction to be specifically identified, and we accepted as sufficient to satisfy the case-or-controversy requirement only concrete disadvantages or disabilities that had in fact occurred, that were imminently threatened, or that were imposed as a matter of law (such as deprivation of the right to vote, to hold office, to serve on a jury, or to engage in certain businesses). Thus, in St. Pierre v. United States, 319 U. S. 41 (1943) (per curiam), one of the first eases to recognize collateral consequences of conviction as a basis for avoiding mootness, we refused to allow St. Pierre’s challenge to a contempt citation after he had completed his 5-month sentence, because “petitioner [has not] shown that under either state or federal law further penalties or disabilities can be imposed on him as a result of the judgment which has now been satisfied,” id., at 43. We rejected St. Pierre’s argument that the possibility that “the judgment [could] impair his credibility as [a] witness in any future legal proceeding” was such a penalty or disability, because “the moral stigma of a judgment which no [9]*9longer affects legal rights does not present a case or controversy for appellate review.” Ibid. Similarly, in Carafas v. LaVallee, we permitted an individual to continue his challenge to a criminal conviction only after identifying specific, concrete collateral consequences that attached to the conviction as a matter of law:
“It is clear that petitioner’s cause is not moot. In consequence of his conviction, he cannot engage in certain businesses; he cannot serve as an official of a labor union for a specified period of time; he cannot vote in any election held in New York State; he cannot serve as a juror.” 391 U. S., at 237 (footnotes and citation omitted).
See also Fiswick v. United States, 329 U. S. 211, 221-223 (1946) (conviction rendered petitioner liable to deportation and denial of naturalization, and ineligible to serve on a jury, vote, or hold office); United States v. Morgan, 346 U. S. 502 (1954) (conviction had been used to increase petitioner’s current sentence under state recidivist law); Parker v. Ellis, 362 U. S. 574, 576 (1960) (Harlan, J., concurring) (since petitioner’s other, unchallenged convictions took away the same civil rights as the conviction under challenge, the challenge was moot); Ginsberg v. New York, 390 U. S. 629, 633, n. 2 (1968) (conviction rendered petitioner liable to revocation of his license to operate luncheonette business). Cf. Tannenbaum v. New York, 388 U. S. 439 (1967) (per curiam); Jacobs v. New York, 388 U. S. 431 (1967) (per curiam).
The gateway to abandonment of this fastidious approach to collateral consequences was Pollard v. United States, 352 U. S. 354 (1957). There, in allowing a convict who had already served his time to challenge the length of his sentence, we said, almost offhandedly, that “[t]he possibility of consequences collateral to the imposition of sentence [was] sufficiently substantial to justify our dealing with the merits,” id., at 358 — citing for that possibility an earlier ease involving consequences for an alien (which there is no reason to [10]*10believe Pollard was), see Pino v. Landon, 349 U. S. 901 (1955). In Sibron v. New York, we relied upon this opinion to support the conclusion that our jurisprudence had “abandoned all inquiry into the actual existence of collateral consequences and in effect presumed that they existed.” 392 U. S., at 55 (citing Pollard, supra).3 Thereafter, and in summary fashion, we proceeded to accept the most generalized and hypothetical of consequences as sufficient to avoid mootness in challenges to conviction. For example, in Evitts v. Lucey, 469 U. S. 387 (1985), we held that respondent’s habeas challenge had not become moot despite the expiration of his sentence and despite the fact that “his civil rights, including suffrage and the right to hold public office, [had been] restored,” id., at 391, n. 4. Since he had not been pardoned, we said, “some collateral consequences of his conviction remain, including the possibility that the conviction would be used to impeach testimony he might give in a future proceeding and the possibility that it would be used to subject him to persistent felony offender prosecution if he should go to trial on any other felony charges in the future.” Ibid. See also Benton v. Maryland, 395 U. S. 784, 790-791 (1969); Pennsylvania v. Mimms, 434 U. S. 106, 108, n. 3 (1977) (per curiam); Minnesota v. Dickerson, 508 U. S. 366 (1993).
There are several relevant observations to be made regarding these developments: First, it must be acknowledged that the practice of presuming collateral consequences (or of accepting the remote possibility of collateral consequences as adequate to satisfy Article III) sits uncomfortably beside the “long-settled principle that standing cannot be ‘inferred argumentatively from averments in the pleadings,’ but rather [11]*11‘must affirmatively appear in the record,’ ” and that “it is the burden of the ‘party who seeks the exercise of jurisdiction in his favor,’ ‘clearly to allege facts demonstrating that he is a proper party to invoke judicial resolution of the dispute.’” FW/PBS, Inc. v. Dallas, 493 U.S. 215, 231 (1990) (citations omitted). The practice of presuming collateral consequences developed during an era in which it was thought that the only function of the constitutional requirement of' standing was “to assure that concrete adverseness which sharpens the presentation of issues,” Baker v. Carr, 369 U. S. 186, 204 (1962). Sibron appears in the same volume of the United States Reports as Flast v. Cohen, 392 U. S. 83 (1968), which said:
“The question whether a particular person is a proper party to maintain the action does not, by its own force, raise separation of powers problems related to improper judicial interference in areas committed to other branches of the Federal Government. Such problems arise, if at all, only from the substantive issues the individual seeks to have adjudicated. Thus, in terms of Article III limitations on federal court jurisdiction, the question of standing is related only to whether the dispute sought to be adjudicated will be presented in an adversary context and in a form historically viewed as capable of judicial resolution.” Id., at 100-101.
See Benton v. Maryland, supra, at 790-791 (“Although this possibility [of collateral consequences] may well be a remote one, it is enough to give this case an adversary east and make it justiciable”). That parsimonious view of the function of Article III standing has since yielded to the acknowledgment that the constitutional requirement is a “means of ‘defin[ing] the role assigned to the judiciary in a tripartite allocation of power,’” Valley Forge Christian College v. Americans United for Separation of Church and State, Inc., [12]*12454 U. S. 464, 474 (1982),4 and “a part of the basic charter... providing] for the interaction between [the federal] government and the governments of the several States,” id., at 476. See also Lujan v. Defenders of Wildlife, 504 U. S. 555, 559-560 (1992). And finally, of particular relevance to the question whether the practice of presuming collateral consequences should be extended to challenges of parole termination: In the context of criminal conviction, the presumption of significant collateral consequences is likely to comport with reality. As we said in Sibron, it is an “obvious fact of life that most criminal convictions do in fact entail adverse collateral legal consequences.” 392 U. S., at 55. The same cannot be said of parole revocation.
For these reasons, perhaps, we have hitherto refused to extend our presumption of collateral consequences (or our willingness to accept hypothetical consequences) to the area of parole revocation. In Lane v. Williams, 455 U. S. 624 (1982), we rejected the contention of convicted felons who had completed their sentences that their challenges to their sentences of three years’ mandatory parole at the conclusion of their fixed terms of incarceration (which parole they had violated) were not moot because the revocations of parole could be used to their detriment in future parole proceedings should they ever be convicted of other crimes. We said:
“The doctrine of Carafas and Sibron is not applicable in this case. No civil disabilities such as those present in Carafas result from a finding that an individual has violated his parole.” Id., at 632.
“[Carafas] concerned existing civil disabilities; as a result of the petitioner’s conviction, he was presently [13]*13barred from holding certain offices, voting in state elections, and serving as a juror. This case involves no such disability.” Id., at 632-633, n. 13.
It was not enough that the parole violations found by the revocation decision would enable the parole board to deny respondents parole in the future, see id., at 639-640 (Marshall, J., dissenting) (quoting Illinois rules governing denial of parole). For such violations “[did] not render an individual ineligible for parole under Illinois law[,] [but were] simply one factor, among many, that may be considered by the parole authority-” Id., at 633, n. 13. And, in any event, “[t]he parole violations that remain a part of respondents’ records cannot affect a subsequent parole determination unless respondents again violate state law, are returned to prison, and become eligible for parolé. Respondents themselves are able — and indeed required by law — to prevent such a possibility from occurring.” Ibid. In addition, we rejected as collateral consequences sufficient to keep the controversy alive the possibility that the parole revocations would affect the individuals’ “employment prospects, or the sentence imposed [upon them] in a future criminal proceeding.” Id., at 632. These “nonstatutory consequences” were dependent upon “[t]he discretionary decisions ... made by an employer or a sentencing judge,” which are “not governed by the mere presence or absence of a recorded violation of parole,” but can “take into consideration, and are more directly influenced by, the underlying conduct that formed the basis for the parole violation.” Id., at 632-633.5
[14]*14We adhere to the principles announced in Lane, and decline to presume that collateral consequences adequate to meet Article Ill’s injury-in-fact requirement resulted from petitioner’s parole revocation. The question remains, then, whether petitioner demonstrated such consequences.
III
Petitioner asserts four concrete injuries-m-fact attributable to his parole revocation. First, he claims that the revocation could be used to his detriment in a future parole proceeding. This possibility is no longer contingent on petitioner’s again violating the law; he has already done so, and is currently serving a 7-year term of imprisonment. But it is, nonetheless, still a possibility rather than a certainty or even a probability. Under Missouri law, as under the Illinois law addressed in Lane, a prior parole revocation “[does] not render an individual ineligible for parole[,] [but is] simply one factor, among many, that may be considered by the parole authority in determining whether there is a substantial risk that the parole candidate will not conform to reasonable conditions of parole.” 455 U. S., at 633, n. 13. Under Missouri law, “[w]hen in its opinion there is reasonable probability that an offender ... can be released without detriment to the community or himself, the board may in its discretion release or parole such person.” Mo. Rev. Stat. §217.690 (1996). The Missouri Supreme Court has said that this statute “giv[es] the Board ‘almost unlimited discretion’ in whether to grant parole release.” Shaw v. Missouri Board of Probation and Parole, 937 S. W. 2d 771, 772 (1997).
[15]*15Petitioner’s second contention is that the Order of Revocation could be used to increase his sentence in a future sentencing proceeding. A similar claim was likewise considered and rejected in Lane, because it was contingent upon respondents’ violating the law, getting caught, and being convicted. “Respondents themselves are able — and indeed required by law — to prevent such a possibility from occurring.” Lane, supra, at 633, n. 13. We of course have rejected analogous claims to Article III standing in other contexts.
“[W]e are . . . unable to conclude that the case-or-controversy requirement is satisfied by general assertions or inferences that in the course of their activities respondents will be prosecuted for violating valid criminal laws. We assume that respondents will conduct their activities within the law and so avoid prosecution and conviction.” O’Shea v. Littleton, 414 U. S. 488, 497 (1974).
See also Los Angeles v. Lyons, 461 U. S. 95, 102-103 (1983).
For similar reasons, we reject petitioner’s third and fourth contentions, that the parole revocation (and, specifically, the “finding of a parole violation for forcible rape and armed criminal action,” see Brief for Petitioner 34) could be used to impeach him should he appear as a witness or litigant in a future criminal or civil proceeding; or could be used against him directly, pursuant to Federal Rule of Evidence 4056 (or Missouri’s state-law equivalent, see Durbin v. Cassalo, 321 S. W. 2d 23, 26 (Mo. App. 1959)) or Federal Rule of Evidence 413,7 should he appear as a defendant in a criminal proceed[16]*16ing. It is purely a matter of speculation whether such an appearance will ever occur. See O’Shea, supra, at 496-497. Moreover, as to the possibility that petitioner (or a witness appearing on his behalf) would be impeached with the parole revocation, it is far from certain that a prosecutor or examining counsel would decide to use the parole revocation (a “discretionary decision” similar to those of the sentencing judge and employer discussed in Lane, supra, at 632-633); and, if so, whether the presiding judge would admit it, particularly in light of the far more reliable evidence of two past criminal convictions that would achieve the same purpose of impeachment, see State v. Comstock, 647 S. W. 2d 163, 165 (Mo. App. 1983). Indeed, it is not even clear that a Missouri court could legally admit the parole revocation to impeach petitioner. See State v. Newman, 568 S. W. 2d 276, 278-282 (Mo. App. 1978). And as to the possibility that the parole revocation could be used directly against petitioner should he be the object of a criminal prosecution, it is at least as likely that the conduct underlying the revocation, rather than the revocation itself (which does not recite the specific conduct constituting the parole violation) would be used.8
[17]*17IV
Petitioner raises three more arguments, none of which seems to us well taken. First, he contends that since our decision in Heck v. Humphrey, 512 U. S. 477 (1994), would foreclose him from pursuing a damages action under Rev. Stat. § 1979, 42 U. S. C. § 1983, unless he can establish the invalidity of his parole revocation, his action to establish that invalidity cannot be moot. This is a great non sequitur, unless one believes (as we do not) that a § 1983 action for damages must always and everywhere be available. It is not certain, in any event, that a § 1983 damages claim would be foreclosed. If, for example, petitioner were to seek damages “for using the wrong procedures, not for reaching the wrong result,” see Heck, 512 U. S., at 482-483, and if that procedural defect did not “necessarily imply the invalidity of” the revocation, see id., at 487, then Heck would have no application all. See also Edwards v. Balisok, 520 U. S. 641, 645-649 (1997); id., at 649-650 (GINSBURG, J., concurring).
Secondly, petitioner argues in his reply brief that this ease falls within the exception to the mootness doctrine for cases that are “capable of repetition, yet evading review.” Reply Brief for Petitioner 5. “[T]he eapable-of-repetition doctrine applies only in exceptional situations,” Lyons, swpra, at 109, “where the following two circumstances [are] simultaneously present: ‘“(1) the challenged action [is] in its duration too short to be fully litigated prior to cessation or expiration, and (2) there [is] a reasonable expectation that the same complaining party [will] be subject to the same action again,”5” Lewis, 494 U. S., at 481 (quoting Murphy v. Hunt, 455 U. S. 478, 482 (1982) (per curiam), in turn quoting Weinstein v. [18]*18Bradford, 423 U. S. 147, 149 (1975) (per curiam)); see also Norman v. Reed, 502 U. S. 279, 288 (1992). Petitioner’s ease satisfies neither of these conditions. He has not shown (and we doubt that he could) that the time between parole revocation and expiration of sentence is always so short as to evade review. Nor has he demonstrated a reasonable likelihood that he will once again be paroled and have that parole revoked.
Finally, petitioner argues that, even if his case is moot, that fact should be ignored because it was caused by the dilatory tactics of the state attorney general’s office and the delay of the District Court. But mootness, however it may have come about, simply deprives us of our power to act; there is nothing for us to remedy, even if we were disposed to do so. We are not in the business of pronouncing that past actions which have no demonstrable continuing effect were right or wrong. As for petitioner’s concern that law enforcement officials and district judges will repeat with impunity the mootness-produeing abuse that he alleges occurred here: We are confident that, as a general matter, district courts will prevent dilatory tactics by the litigants and will not unduly delay their own rulings; and that, where appropriate, corrective mandamus will issue from the courts of appeals.
* * *
For the foregoing reasons, we affirm the judgment of the Court of Appeals.
It is so ordered.