
Criminal Lawyers
Specialised technical defence in all types of crimes. We defend your freedom with procedural rigour and professional commitment
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General Criminal Defense: Concept, Stages, Guarantees and Strategy
Criminal defense is the set of technical-legal actions oriented to safeguarding the fundamental rights of the investigated, indicted, charged or accused person, exercised by a registered lawyer under the General Statute of the Spanish Bar (RD 135/2021) and the Codes of Ethics. Its constitutional foundation rests on Arts. 17 (personal freedom), 24 (effective judicial protection), 25 (criminal legality) SC and on European directives that form the "ceiling of guarantees" of the investigated person (Directives 2010/64/EU, 2012/13/EU, 2013/48/EU, 2016/343/EU, 2016/800/EU). Constitutional Court doctrine (STC 30/1981, 199/2003, 79/2014, 23/2018, among many) and Supreme Court case-law configure a system in which the presumption of innocence, the right against self-incrimination, the right to legal assistance and the right to a process with full guarantees constitute non-derogable pillars.
The procedural modalities of criminal defense cover the entire spectrum of criminal prosecution. Assistance to the detainee (Art. 520 LECrim) at police and judicial premises, with prior reserved interview (Art. 520.6.d LECrim); the investigation phase before the Investigating Court (Arts. 299-779 LECrim); the intermediate phase with the defense brief and evidence proposal (Arts. 780-786 LECrim); the oral trial before the Criminal Court, Provincial Court, Audiencia Nacional, Jury Court or Second Chamber of the Supreme Court (Arts. 786-789 LECrim); and appeals (appeal, cassation, amparo). Defense can be exercised in minor offense proceedings, speedy trials, abbreviated procedure, ordinary summary, Jury Court procedure, and special proceedings (terrorism, organized crime).
The catalogue of penalties in Spanish criminal law is broad. Custodial penalties include prison (3 months to 25 years; exceptionally 30-40 years by accumulation or terrorism, Arts. 76 CP), reviewable life imprisonment (Art. 92 CP), permanent localization (1 day to 6 months) and subsidiary personal liability for non-payment of fine. Penalties depriving rights include absolute disqualification, special disqualification, suspension of public employment or office, deprivation of the right to drive, deprivation of the right to possess and bear arms, deprivation of the right to reside or go to certain places, prohibition of approach to victim, prohibition of communication, community service. Pecuniary penalties are proportional fine and day-fine. Additionally, forfeiture (Art. 127 CP) and civil liability ex delicto (Arts. 109-122 CP) configure the economic consequences.
The defense strategy rests on four fundamental axes modulated case by case. First, the control of procedural guarantees: any violation of fundamental rights (illegal detention, searches without reasoned judicial authorization, defective phone interventions, statements without legal assistance) can result in evidentiary nullity (Art. 11 LOPJ and Art. 24 SC) with reflex effect (fruits of the poisonous tree). Second, challenging the prosecution's narrative: expert examination, witness contradictions, reasonable alternative hypotheses that activate reasonable doubt. Third, activating mitigating factors: confession (Art. 21.4 CP), damage reparation (Art. 21.5 CP), undue procedural delays (Art. 21.6 CP), drug addiction, outburst or obfuscation, as well as analogous mitigating factors. Fourth, negotiating strategic plea agreements (Arts. 655, 787 and 801 LECrim) with penalty reductions of up to one third, or suspension of execution (Art. 80 CP) and substitution of the custodial penalty when appropriate.
In current forensic practice, criminal defense operates in a regulatory framework in full transformation. Organic Law 1/2025 on Justice Service Efficiency, Act 10/2022 on Procedural Efficiency, Organic Law 10/2022 on Sexual Freedom, Organic Law 14/2022 on Embezzlement Reform, Organic Law 8/2021 on Childhood Protection, Act 2/2023 on Whistleblower Protection, as well as consolidated Supreme Court and CJEU case-law configure an increasingly sophisticated system. At Alonso Sala, with more than 15 years of experience, we approach each file as a unique case: assistance to the detainee at the police station from the first moment (with the greatest diligence possible, formally taking over the defense when initial assistance corresponds to the duty roster), exhaustive technical analysis of the file, coordination with specialized experts (forensic, accounting, computer, psychological, ballistic), procedural articulation in all instances (Investigating Court, Criminal Court, Provincial Court, Audiencia Nacional, Supreme Court, Constitutional Court and European Court of Human Rights). We defend natural and legal persons, national and international clients, in all types of criminal proceedings.
Why choose Alonso Sala for your defense?
- Exclusive Specialization: We dedicate ourselves solely to criminal and white-collar law.
- Priority detainee assistance: Police-station assistance with the greatest diligence possible. If the initial intervention is provided by a Bar Association duty lawyer, we formally take over the defense as soon as we are contacted.
- Tactical Rigor: We exploit every procedural error to achieve nullity of proceedings.
- Court Experience: Daily presence in courts and the National High Court.
"In criminal law, every second counts. An ill-advised statement can mark the fate of an entire process. Protect your future from the first minute with trusted professionals."
Our intervention covers all instances, including appeals to the Supreme Court and constitutional protection appeals. If your freedom is at stake, do not accept less than a specialist technical defense.
Comprehensive Criminal Defense Services
Trial Defense
Technical representation in all phases of the criminal process, from instruction to the oral hearing.
Arrest Assistance
Urgent assistance in police stations and duty courts. Defense from the first minute.
Prison Law
Management of permits, grade progression (third grade), and parole.
Expungement
Clearing of criminal and police records to recover full legal capacity.
Why trust Alonso Sala for your defense?
We specialize in highly sensitive and complex cases. Our results rest on rigorous analysis and procedural strategy.
- check Personalized attention directly by firm partners.
- check Transparency in fees and case viability.
- check Technical defense in macro-cases and socially impactful crimes.
- check Comprehensive support for the client and their family.
Criminal Procedure: Integral Defense Approach
Integral criminal defense requires a panoramic view covering investigation, trial and appeals. Each phase has its own evidentiary and procedural logic.
Criminal lawyers by city
Dedicated pages for our criminal-defense practice in the main Spanish jurisdictions:
Looking for a Criminal Defense Lawyer in Spain?
We offer specialized criminal defense in courts across Madrid and the rest of Spain. We handle each Criminal Defense case with the urgency and technical rigor it requires from day one.
Criminal Procedure in Spain: Fast Trials, Extraditions & Prison Law — Defence Guide
Beyond substantive criminal offences, Spanish law contains a complex procedural framework that directly affects defence strategy. Fast-track trials (juicios rápidos), extradition procedures (European Arrest Warrants and bilateral treaties), penitentiary law (classification grades, parole, sentence review) and juvenile justice (LO 5/2000) each demand specialised knowledge. Understanding procedural rights and deadlines is often decisive for the outcome of a case.
Key Procedural Frameworks
| Framework | Legal Basis | Scope | Key Feature |
|---|---|---|---|
| Fast-track trials | Arts. 795-803 LECrim | Offences punishable by up to 5 years prison | Trial within 15 days of arrest |
| European Arrest Warrant | LO 23/2014 | Cross-EU extradition | 60-day maximum execution |
| Prison classification | LO 1/1979 (LOGP) | Classification into grades 1, 2 or 3 | Open regime (grade 3) = semi-liberty |
| Conditional release | Arts. 90-93 CP | Release from prison on licence | ¾ of sentence served + good conduct |
| Juvenile justice | LO 5/2000 | Offenders aged 14-17 | Educative measures, not punishment |
| Criminal record expungement | Art. 136 CP | Deletion of criminal record | Timeframe varies by offence severity |
Key Defence Strategies
Fast-Trial Conformity Advantage
In fast-track proceedings, agreeing to a plea (conformidad) with the prosecution can yield a sentence reduction of up to one-third. This can make the difference between prison and a suspended sentence.
EAW Refusal Grounds
European Arrest Warrants may be refused on grounds of: ne bis in idem (double jeopardy), time-barred offence, minor's age, or if the person will serve the sentence in Spain. Each ground requires specific procedural challenges.
Prison Grade Review
Inmates may contest their classification grade before the Supervisory Judge (Juez de Vigilancia Penitenciaria). Progression to grade 3 (semi-liberty) requires demonstrating good conduct, personal development and reduced recidivism risk.
Juvenile Diversion
For juvenile offenders, the defence can request diversion (sobreseimiento) if the minor completes a mediation or reparation programme. This avoids formal proceedings and prevents a juvenile record entirely.
Key Case Law
The Court confirmed that defendants who reach a plea agreement in fast-track proceedings have an absolute right to the one-third sentence reduction. The judge cannot refuse the agreed sentence if it falls within the statutory range.
The CJEU established that execution of a European Arrest Warrant may be suspended if there is a real risk of inhumane treatment in the issuing state. The executing authority must request specific assurances before surrender.
The Constitutional Court holds that prison classification decisions must be reasoned and subject to periodic review, in line with the fundamental rights of sentenced persons under Art. 25.2 CE.
Do you need specialised legal assistance?
The judicial system is complex. We have the criminal-law specialisation and technical resources required to take on the defence.