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Alonso Sala
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Legal Analysis

European Arrest Warrant in Spain: Fighting Extradition

calendar_todayFebruary 26, 2026

Last updated:

lightbulbKey Takeaways

  • check_circle60-Day Procedure
  • check_circleDual Criminality
  • check_circleNe Bis in Idem
  • check_circleFundamental Rights Defense

Quick answer

The European Arrest Warrant (EAW) is a rapid but not automatic mechanism: the Criminal Chamber of Spain's National Court (Audiencia Nacional) can refuse surrender. The detained person must be brought before the National Court within 72 hours, and the procedure has a maximum decision period of 60 days. There are mandatory grounds for refusal (absence of dual criminality outside the automatic categories, ne bis in idem, prescription under Spanish law) and optional ones (a Spanish national who will serve the sentence in Spain, a political offence, a serious risk to fundamental rights).

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The European Arrest Warrant (EAW) — known in Spain as Orden Europea de Detención y Entrega (OEDE) — is designed as a rapid, automatic surrender mechanism between EU member states. However, fast does not mean inevitable: the Criminal Chamber of Spain's National Court (Audiencia Nacional) has exclusive jurisdiction to decide whether to execute or refuse every EAW, and there are significant legal grounds to oppose surrender.

How the EAW Process Works in Spain

When a person is detained in Spain under an EAW, they must be brought before the National Court within 72 hours. The court then sets a hearing date (typically within 10-15 days) where the requested person can appear with their lawyer and formally oppose surrender. The court has 60 days maximum to reach a decision. During this period, the person may be remanded in custody or released with precautionary measures.

Mandatory and Optional Grounds for Refusal

Spanish courts must refuse an EAW if: the alleged conduct is not criminal in Spain (dual criminality, for offenses outside the 32 automatic categories); the person was already definitively judged for the same acts (ne bis in idem); the offense is time-barred under Spanish law. Courts may refuse if: the requested person is a Spanish national who will serve sentence here; the offense is political; there are serious fundamental rights concerns.

Building an Effective Defense

The key to fighting an EAW is speed and preparation. From the moment of detention, the defense must: challenge the formal validity of the warrant, research the legal systems of both countries, assess the human rights situation in the requesting state, gather evidence for ne bis in idem or prescription arguments, and urgently consider whether to consent to surrender (which can result in more favorable conditions).

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Frequently asked questions

What is the European Arrest Warrant (EAW)?expand_more

It is a criminal cooperation mechanism between EU member states designed to be rapid, but not automatic: the Criminal Chamber of Spain's National Court can refuse surrender when certain legal grounds apply.

What are the deadlines of the procedure in Spain?expand_more

The detained person must be brought before the National Court within 72 hours. The court sets a hearing within 10 to 15 days and the maximum decision period is 60 days. During that time the requested person may be remanded in custody or released with precautionary measures.

Should you oppose surrender or consent to it?expand_more

It is one of the first strategic decisions. Consenting speeds up the procedure and can result in more favourable conditions; opposing allows the grounds for refusal to be argued, but prolongs the uncertainty and, where applicable, custody. There is no universal answer: it depends on the strength of the grounds, the personal situation and the issuing state, and it should be decided with specialist advice.

What are the grounds for refusing surrender?expand_more

Mandatory: that the conduct is not an offence in Spain (dual criminality, outside the 32 automatic categories), ne bis in idem and prescription under Spanish law. Optional: being a Spanish national who will serve the sentence in Spain, the political offence and the serious risk of a violation of fundamental rights.

What frequent mistakes does the requested person make?expand_more

Consenting to surrender at the first appearance without advice, out of exhaustion or lack of knowledge; failing to prove ties (work, family, residence in Spain) to avoid custody; and letting the first weeks pass without gathering the foreign documentation. With such short deadlines, time lost at the start cannot be recovered.

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