Self-defense

Self-defense refers to the defensive action that is necessary to ward off a current or immediately threatening unlawful attack from oneself or another. The Austrian Criminal Code (StGB) regulates the requirements for self-defense in § 3 StGB. Anyone who is in a self-defense situation may take the necessary defensive action without being liable to prosecution. The crucial factor is always that the defensive action is suitable, necessary, and proportionate.

The legally permitted defense against a current unlawful attack by means of a necessary defensive action is called self-defense.

Self-defense under Austrian law explained: requirements, limits, and defense options in criminal proceedings

Legal Foundations

The most important rule is in § 3 StGB. It states that an action is not prohibited if it was necessary to ward off an attack. In addition to the law, case law also plays a major role, because the courts determine on a case-by-case basis how far self-defense may go.

Three points are important:

Requirements for Self-Defense

For a self-defense action to be justified, several conditions must be met:

  1. An attack
    An attack is any human behavior that threatens a legally protected asset (life, physical integrity, freedom, property, etc.).
  2. Illegality
    The attack must not be covered by a right, such as necessity, official order, or other grounds for justification.
  3. Imminence
    An attack is imminent if it is directly impending, has already begun, or has not yet ended. Earlier or long-completed attacks do not justify self-defense.
  4. Necessity of defense
    The mildest but at the same time effective means of defense must be chosen. A completely disproportionate escalation (e.g., firearm against a light slap) is not covered.

Limits of Self-Defense

Even if the right to self-defense is far-reaching, there are limits:

Typical Examples from Practice

Case Law on Self-Defense

Austrian case law makes it clear that the assessment always depends on the individual case:

Distinction: Self-defense vs. Putative Self-Defense

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