Updated to LO 1/2026 and LO 1/2025 · Reviewed July 2026 · Author: Francisco Javier Martín Porras, criminal lawyer and court expert · SCJE team
Most criminal proceedings do not end in trial: they end in dismissal. Obtaining the closure of the case during the investigation is the most efficient victory of the defence (no ordeal of the dock, no risk of conviction), and preventing a premature closure is the battle of every private prosecution. We comment on the classes of dismissal, their grounds and the real procedural game of each one.
In brief. In brief. The definitive dismissal (sobreseimiento libre) is equivalent to an anticipated acquittal and produces res judicata. The provisional dismissal closes without finality: the case may be reopened with new indications. In the abbreviated procedure, the closure is channelled through article 779.1.1ª. Dismissal orders may be challenged through reform and appeal.
Most criminal proceedings end in dismissal, not in trial. The dismissal may be definitive (libre) or provisional, total or partial (art. 634 LECrim). The definitive dismissal is equivalent to an anticipated acquittal with res judicata effect; the provisional dismissal closes the case for insufficiency of indications and allows reopening if new elements appear, with the material limit of the statute of limitations. Choosing and fighting for the correct class is not neutral: it determines res judicata and costs.
Our defence work: well-founded dismissal briefs after the statement of the investigated person, early exculpatory evidence that deactivates the indications, and control of any reopening, because without new elements a provisional dismissal cannot be reopened. For private prosecutions: appeals against premature closures with useful proceedings still pending.
| Class | Legal basis | Grounds | Effects |
|---|---|---|---|
| Definitive (libre) | Art. 637 LECrim | No rational indications, the act is not an offence, or exemption from liability | Res judicata; equivalent to an anticipated acquittal |
| Provisional | Art. 641 LECrim | Commission not duly justified or insufficient grounds against a specific person | No res judicata; reopenable with relevant new elements |
| Total | Art. 634 LECrim | Affects all investigated persons and facts | The entire case is closed |
| Partial | Art. 634 LECrim | Affects only some investigated persons or facts | The case continues for the rest |
| Closure in the abbreviated procedure | Art. 779.1.1ª LECrim | Concluded preliminary proceedings without grounds to continue | With the effects of the corresponding class of dismissal |
| Control of prosecutorial inaction | Arts. 642 and 644 LECrim | Prosecutor requests dismissal with complainant or injured party present | Interested parties may sustain the accusation |
| Reform and appeal | Arts. 636 and 766 LECrim | Challenge of dismissal orders | Time limits of 3 and 5 days from notification |
| Reopening | Art. 641 LECrim and case law | Only with relevant new elements, never mere reconsideration | Limited by the statute of limitations, which keeps running |
Summary drawn from the Spanish source page for orientation purposes. The applicable provisions are those in force at the relevant time; each case requires individual analysis by a criminal lawyer.
Original commentary by the firm, checked against the reference work in our library: Ley de Enjuiciamiento Criminal Comentada, Lefebvre-El Derecho, 13th edition, May 2026. The definitive dismissal must be built with the solidity of a judgment: reports, documents and case law in the brief, because it is an acquittal without trial and it also closes the derived civil route.
The definitive dismissal is the objective: res judicata and closure of the derived civil route. The provisional one is a good second prize that usually consolidates over time.
Reopening requires relevant new elements that were not taken into account: mere reconsideration of the same material is not enough. The first step is to audit what is truly new, and whether the offence has meanwhile become time-barred.
Appeal through reform and/or appeal in time (3 and 5 days), identifying the useful proceedings not carried out and the ignored indications. Appearing as private prosecution in time is decisive.
“Block” closures without analysing each investigated person are successfully appealed, and surprise transformations without prior imputation are null: the class and reasoning of the order matter for every accused.
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