Judicial error and wrongful detention do not indicate the same situation, even though both may lead to financial compensation. You may have been subjected to pre-trial detention and subsequently acquitted, or you may have served a sentence later annulled through a review proceeding. The prerequisites, the competent judge, and the criteria used to determine the sum differ.
I will explain how to recognize the relevant remedy, when an acquittal is not enough, what time limit must be observed, and what affects quantification. I also want to clarify a frequently misunderstood point: the duration of the deprivation of liberty matters, but it does not automatically produce a pre-established amount. It must be linked to the concrete conditions provided by law and to effectively demonstrable personal, family, and economic consequences.
Two forms of compensation addressing different problems
Wrongful detention concerns limited liberty during criminal proceedings or, in certain hypotheses, a measure found to lack the necessary prerequisites. The main rules are found in Articles 314 and 315 of the Code of Criminal Procedure. The most recognizable case is that of a person subjected to pre-trial custody in prison or house arrest and subsequently acquitted with a decision capable of supporting the application.
Judicial error instead presupposes an irrevocable conviction, followed by an extraordinary review proceeding ending in an acquittal. It is not enough to be acquitted on appeal after a first-instance conviction: if the first judgment was not final, the specific prerequisite provided by Article 643 of the Code of Criminal Procedure is missing.
The distinction has an immediate consequence. Those who have undergone pre-trial custody before the conclusion of the trial must look primarily to Articles 314 and 315; those who have served a sentence resulting from a final conviction later set aside must start from Articles 643 onwards. The code of criminal procedure on Normattiva regulates the two remedies separately.
The law speaks of reparation, not ordinary damages necessarily based on the personal fault of a magistrate. The application aims to obtain fair relief from the State when the conditions established by the code are met. Therefore, it is not sufficient to argue that a decision was wrong, unfair, or subsequently modified.
When detention can be considered wrongful
Acquittal on the merits is the first typical prerequisite. Article 314, paragraph 1, concerns anyone irrevocably acquitted because the fact does not exist, because they did not commit it, because the fact does not constitute a crime, or because it is not provided for by law as a crime. The rule may also operate in the presence of a judgment of no grounds to proceed or a dismissal order, under the conditions indicated by the article itself.
So-called formal injustice also exists: the right may belong to the person acquitted for another cause and, in certain situations, even to the convicted person, when an irrevocable decision ascertains that custody was applied or maintained without the prerequisites required by Articles 273 and 280 of the code. In this case, regard is had to the lawfulness of the precautionary measure and not solely to the final outcome of the accusation.
Why acquittal does not always produce the right
The interested party's conduct may exclude compensation. The judge verifies whether the person caused or contributed to causing the detention with intent or gross negligence, meaning intentionally or with particularly marked negligence. A concrete relationship must exist between that conduct and the adoption or maintenance of the measure: formulating a generic judgment on procedural conduct is not enough.
This assessment does not allow for calling the acquittal into question. The Court of Appeal cannot state, in a manner incompatible with the res judicata, that the applicant is actually guilty. However, it can examine relevant facts and conduct to understand whether they created or reinforced, in a causally decisive manner, the situation that led to the custody.
The right of defense retains its value. The choice not to answer cannot be automatically transformed into gross negligence. A different problem arises with positive, knowingly misleading, or gravely imprudent conduct when it has had an effective weight in the precautionary decision. It is precisely the causal link, and not a moral evaluation of the person, that becomes decisive.
Periods overlapping with other detention titles
The same period is not compensated twice if the limitation of liberty was also due to another lawful title. Article 314, paragraph 4, excludes compensation for the portion of custody computed in the sentence to be served or overlapping with another valid restriction. It is therefore necessary to distinguish days referable exclusively to the measure found to be wrongful from those covered in any case by a different provision.
The Court of Cassation has reaffirmed the need to identify the nature, duration, and strength of the other detention title, because an overlap can affect the very existence of the right for that period. The principle is illustrated, with reference to simultaneously suffered detention, in the Supreme Court of Cassation judgment no. 10970 of 2026.
When we can speak of judicial error
Judicial error requires an acquittal in review proceedings. Review is an extraordinary remedy aimed at removing an already irrevocable conviction in the cases established by the code, for example when elements irreconcilable with the conviction emerge or new evidence which, alone or together with that already evaluated, leads to acquittal.
The compensation provided by Article 643 is due to those who have been acquitted after review, provided they did not cause the error with intent or gross negligence. Review and compensation are two distinct steps: first, the final conviction must be eliminated; only after the review judgment becomes final can the financial application be submitted.
The measure of compensation takes into account any sentence served or internment and the personal and family consequences produced by the conviction. Time spent in prison is not the only consideration. If proven and linked to the error, the compromise of family relationships, economic losses, damage to health, and repercussions on social life may assume significance.
The maximum limit established for wrongful detention is not provided. Compensation for judicial error must be commensurate with the duration of any sentence served and the consequences of the conviction. It may take the form of the payment of a sum or, when conditions are met, a life annuity.
The application can be submitted by the interested party and, in cases governed by Article 644, also by the family members indicated by law if the person is deceased. A page by the Court of Appeal of Milan on judicial error compensation summarizes the necessity of the review judgment and useful documents to prove the damage.
The two-year time limit and the competent Court of Appeal
The application for wrongful detention must be submitted within two years, under penalty of inadmissibility. The initial moment changes according to the concluding provision: it may coincide with the irrevocability of the acquittal or conviction judgment, the unimpugnability of the no grounds to proceed judgment, or, in the case provided by law, the notification of the dismissal order.
Article 315 and the different starting points of the time limit can be consulted on the official page of Article 315 of the code of criminal procedure. Since this is a time limit affecting admissibility, it is advisable not to calculate it starting from the simple date on which custody ended.
For judicial error, the time limit is still two years, but it runs from the date the review judgment becomes final. The application is filed in the registry of the Court of Appeal that pronounced that judgment. The date of the previous conviction or that of release does not replace this reference.
For wrongful detention, jurisdiction generally lies with the Court of Appeal in whose district the provision defining the proceeding was pronounced. If the concluding decision comes from the Court of Cassation, the district of the authority that issued the challenged provision is considered. Before filing, it is useful to check the instructions of the competent registry, because the number of copies and operational methods can vary among offices.
Form of the application and proceedings
The appeal must precisely identify the title of the request. It is necessary to indicate the precautionary measure or removed conviction, the dates of deprivation of liberty, the final decision allowing the request for compensation, and the elements underlying the quantification. For wrongful detention, assistance from a defense counsel equipped with a special power of attorney is necessary in the proceedings.
The Court of Appeal decides in chambers, after allowing participating interested parties to be heard. The Ministry of Economy and Finance is a party to the proceeding. An appeal to the Court of Cassation is possible against the order, but the legitimacy judgment does not represent a new and complete evaluation of the facts: challenges must concern legally relevant flaws in the decision.
How the sum is determined
There is no fixed legal tariff for each day. In wrongful detention, duration constitutes an important basis, but the Court must reach a fair sum also considering the type of measure. Prison stays and house arrest both limit liberty, but normally have different intensity and consequences.
Article 315 sets a total maximum limit of 516,456.90 euros for wrongful detention. The ceiling is not an automatically recognized sum in longer cases and does not indicate how much a single day is worth in the abstract. It delimits the Court's liquidation power, which must state reasons for the quantification in the concrete case.
Personalization requires demonstrable facts. Consequences on health, separation from children and other family members, interruption of an activity, documented loss of income, public exposure, and particular conditions of detention may have an impact. Listing possible damages is not enough: it must be explained when they occurred and how they derive from the restriction.
Economic losses are better understood through contracts, tax returns, communications of termination or suspension of activity, and other coherent data. Consequences on health require clinical documentation capable of distinguishing a pre-existing pathology from an aggravation linked to detention. Proof serves to personalize the amount, not to transform the procedure into an automatic sum of individual items.
In judicial error, the reasoning is broader, because the law also considers the effects of the final conviction on personal and family life. A long sentence served has evident weight, but time does not exhaust the damage: two convictions of the same duration can have very different consequences for health, affections, economic autonomy, and social reintegration.
Which path to consider and what mistakes to avoid
The first step is correctly qualifying the matter. If you have undergone pre-trial custody and the trial concluded with a favorable provision, the reference is normally wrongful detention. If a final conviction was removed in review, judicial error compensation applies. An acquittal without prior custody and without an irrevocable conviction alone does not open either procedure.
One must not confuse release from custody with the start of the time limit. To prepare the application, the precautionary provision, execution dates, concluding decision with attestation of its finality, and documents on the consequences suffered are central. A page by the Court of Appeal of Palermo dedicated to wrongful detention shows, as a local practical indication, some documents normally required.
Another mistake is asking only for the result of a daily calculation. The application must recount the damage without emphasis, distinguishing what derives from detention or conviction from independent problems. Likewise, it is necessary to address any challenges regarding intent, gross negligence, or overlap with other restrictive titles.
Frequently asked questions
Does an acquittal always give me the right to compensation?
No, acquittal alone is not enough. The formula used, the irrevocability of the decision, the actual custody undergone, and any malicious or grossly negligent contribution to the measure matter. If there was neither pre-trial custody nor a final conviction removed in review, these two specific remedies normally do not apply.
Does house arrest count as wrongful detention?
Yes, house arrest is a form of pre-trial custody and can support the application provided by Articles 314 and 315. In quantification, however, the Court considers the different intensity of the restriction compared to prison, together with the actual conditions of the measure and demonstrated personal and economic consequences.
When do the two years start running?
The starting point depends on the concluding provision. For wrongful detention, it can start from the irrevocability of the judgment, the unimpugnability of the no grounds to proceed, or the notification of dismissal in provided cases. For judicial error, it runs from the date the review judgment becomes final, not from prior release.
How much is awarded for each day of detention?
The law does not establish a fixed daily sum. Duration and type of custody guide the calculation, which is then adapted to concrete consequences. For wrongful detention, the overall limit of 516,456.90 euros operates; for judicial error, Article 643 does not provide the same ceiling.
Can I submit the application while the trial is still ongoing?
As a rule, it is necessary to wait for the provision required by law. The procedure for wrongful detention presupposes a concluding decision with the characteristics provided by Article 314; that for judicial error requires a definitive acquittal in review. In the meantime, it is useful to keep the records on custody and the consequences suffered.
Understanding which application can be proposed
The choice depends on the sequence of provisions: precautionary measure, final outcome of the trial, potential irrevocable conviction, and review. If you want to clarify which procedure corresponds to your situation, which periods can be considered, and from which date the time limit runs, you can contact me for an initial framing of the matter.