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Alonso Sala
CRIMINAL LAWYERS
Legal Analysis

Sexual Assault by a Partner: When a Spouse Commits an Offence

March 24, 2026Updated: 

Key Takeaways

  • Marriage ≠ consent
  • Aggravating factor Art. 180.1.4
  • Violence Against Women court
  • Penalty in the upper half

Sexual assault between spouses or partners is an offence: marriage or cohabitation grants no right over the other person's body, and every sexual act requires free consent, given act by act and revocable at any time. That the victim is or has been the offender's spouse or partner does not mitigate liability but aggravates it (Art. 180.1.4 CP), placing the penalty in its upper section. Where the victim is the suspect's partner, the investigation falls to the Courts for Violence Against Women, and measures such as a restraining order, possible pre-trial detention and inclusion in the VioGén risk-monitoring system are triggered.

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The idea that "there can be no rape within marriage" is a myth. Sexual assault between spouses is a defined and aggravated offence. As specialist criminal lawyers, we explain the key points: the legal framework, the partner aggravating factor, the competent court and the lines of defence.

Rape within marriage has been a defined offence since 1989. Until then, the notion of a supposed "marital duty" persisted socially, making sexual assault within marriage seem inconceivable. That conception is now entirely superseded: neither marriage nor cohabitation grants any right over the other person's body.

The guiding principle is that every sexual act requires free consent. That consent is given act by act: there is no standing consent derived from the relationship, nor does consent given on previous occasions cover later ones. It is also revocable: it can be withdrawn at any moment, even once a sexual encounter has begun. For that reason, the existence of a stable relationship, far from excluding the offence, is legally irrelevant when it comes to establishing consent, which must be present in the specific act being tried.

The Partner Aggravating Factor

Art. 180.1.4 CP imposes penalties in the upper half where the victim is or has been the offender's wife or partner. A present or past relationship does not mitigate liability: it aggravates it. The rationale is the particular vulnerability created by cohabitation and by the trust inherent in the relationship, which makes the offence easier to commit and harder to uncover.

The practical effect is significant: within the sentencing range provided for sexual assault, the court cannot move along the whole bracket but must stay in its upper section. Being a spouse or former partner is therefore not an incidental detail of the account: it directly determines the applicable penalty and demands specific attention from the defence.

Jurisdiction

Where the victim is the suspect's wife or partner, the investigation falls to the Courts for Violence Against Women, specialised bodies that concentrate this type of proceedings. This has practical consequences for the accused: specialised judges and prosecutors, very fast timelines in the initial stages and procedural treatment that differs from that of an ordinary investigating court.

From the outset, the measures associated with gender violence are also triggered: the restraining order, prohibiting any approach to or communication with the complainant; possible pre-trial detention in the most serious cases; and the inclusion of the case in the VioGén system of police risk assessment and monitoring. These measures are adopted within the first hours or days of the proceedings, often before the defence has been able to deploy its strategy, which makes legal assistance from the very first statement critical.

Defence

The usual lines of defence in these proceedings are three:

  • Consent: establishing that the encounter was consensual. These events take place in private, without witnesses, and the evidence often comes down to one party's word against the other's; a rigorous analysis of credibility and of the elements that corroborate or contradict each account is the core of the trial.
  • The context of a conflictive separation: when the complaint arises in the middle of a divorce or a custody dispute, the defence must place the facts in that context and examine the timing and circumstances in which the accusation is made.
  • Digital evidence of subsequent normality: messages, calls and communications after the alleged events can be relevant when assessing the plausibility of the account. Preserving that material from the first moment, without altering it, is essential.

While the proceedings run their course, the presumption of innocence applies, but the suspect's position demands extreme caution: scrupulously complying with the measures imposed, refraining from any contact with the complainant and channelling every step through their lawyer.

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Frequently asked questions

Can sexual assault occur within a marriage or long-term relationship?

Yes. Marriage or cohabitation grants no right over the other person's body, and every sexual act requires free consent given for that specific act — a relationship does not create standing or ongoing consent for future encounters.

How does a partner or spousal relationship affect the penalty for sexual assault?

It aggravates it — Art. 180.1.4 CP requires the penalty to be imposed in its upper section where the victim is or has been the offender's wife or partner, rather than mitigating liability in any way.

Which court investigates a sexual assault accusation between partners?

The Courts for Violence Against Women, specialised bodies that handle this type of case with fast initial timelines and can adopt measures such as a restraining order, possible pre-trial detention, and inclusion in the VioGén risk-monitoring system, often within the first hours or days.

Can consent be withdrawn once a sexual encounter has begun?

Yes — consent is revocable at any moment, even after an encounter has started, and continuing after it has been withdrawn is not covered by any earlier agreement.

What defences are typically raised in these cases?

Establishing that the encounter was consensual through a rigorous analysis of the available evidence, placing the accusation in the context of a conflictive separation or custody dispute where relevant, and preserving digital evidence of communications after the alleged events that may be relevant to assessing the account's plausibility.

What should someone under investigation in this context be careful about?

Scrupulously complying with any restraining order or communication ban, avoiding all contact with the complainant, and channelling every step of the case through their lawyer while the presumption of innocence applies.

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