Ficha de revisão: Principles of Self-Defense and Use of Force

📋 Course Outline

1. Legitimate Defense & Conditions
2. Attack & Injustice
3. Defense Act & Simultaneity
4. Proportionality & Means
5. Defense of Property & Limits
6. Threat on Property & Interruption
7. Police & Use of Force
8. Presumption & Night
9. Presumption & Day

📖 1. Legitimate Defense & Conditions

🔑 Key Concepts & Definitions

• Légitimate Defense (Article 122-5 of the Penal Code): Legal exemption from criminal responsibility when a person repels an unjustified, current, real, proportionate, and immediate attack or threat, either against a person or property.
• Attack (Atteinte): Violence, threat, or any action that infringes on physical integrity or property.
• Act of Defense (Acte de défense): Immediate and proportionate reaction to counter an attack or threat.
• Injustice (Injustifiée): Absence of legitimate reason or violation of legal rights justifying the defensive act.
• Necessity (Nécessaire): No other means available to avoid or escape the danger.
• Proportionality (Proportionné): The force used must be commensurate with the gravity of the attack or threat.

📝 Essential Points

• Defense must be immediate and real (not based on subjective fear).
• Reaction must be simultaneous with the attack; preemptive or delayed responses are not justified.
• The response must be proportionate; excessive force is not justified.
• Defense of property is more restrictive: it must aim at preventing a crime or delit, be strictly necessary, and proportionate.
• Legal presumption: In cases of night entry by force, violence, or trickery into inhabited premises, or against violent thieves or pillagers, the act is presumed to be in legitimate defense.

💡 Key Takeaway

Legitimate defense is a carefully balanced legal exception requiring the attack to be current, unjustified, and countered immediately and proportionally, ensuring protection without abuse.

📖 2. Attack & Injustice

🔑 Key Concepts & Definitions

• Legitimate Defense (Légitime défense): Legal exemption from criminal responsibility when a person repels an unjustified, current, real, proportionate, and immediate attack or threat, as per Article 122-5 of the French Penal Code.
• Injustice (Atteinte): An act of violence, threat, or any action that harms physical integrity or property, lacking lawful justification.
• Act of Defense (Acte de défense): The immediate, necessary, and proportionate reaction to repel an attack or threat.
• Proportionality (Proportionné): The principle that the means of defense must be appropriate to the gravity of the attack; excessive force is not justified.
• Necessity (Nécessaire): The defense action must be the only available means to prevent or stop the attack.
• Simultaneity (Simultanéité): The reaction must occur at the same time as the attack; delayed responses are not considered legitimate defense.

📝 Essential Points

• The defense must be immediate and based on an actual, current attack, not a perceived or future threat.
• The reaction must be proportionate; excessive force can invalidate the defense claim.
• Defense of property is more restrictive: it must aim to stop a crime or delict, be strictly necessary, and proportionate; lethal force is generally not justified.
• Presumption of legitimacy applies in specific cases, such as night-time entry by force or violence into inhabited premises, or against violent thefts or pillages.
• Police and security forces can invoke legitimate defense if they meet strict conditions: exercising their duties, wearing insignia, and using proportionate force only when absolutely necessary.

💡 Key Takeaway

Legitimate defense is a carefully regulated exception to criminal responsibility, requiring that reactions be immediate, necessary, and proportionate to the unjustified attack, ensuring balance between protection and abuse prevention.

📖 3. Defense Act & Simultaneity

🔑 Key Concepts & Definitions

• Legitimate Defense (LD): Legal justification allowing a person to act immediately to repel an unjustified, current, real, proportionate, and simultaneous attack or threat against themselves or others.
• Act of Defense: The immediate, necessary, and proportionate reaction to an attack or threat.
• Simultaneity: The requirement that the defensive act occurs at the same time as the attack, with no delay.
• Current & Immediate: The attack or threat must be ongoing or imminent, not past or future.
• Proportionality: The force used in defense must correspond to the gravity of the attack; excessive force is not justified.
• Injustice: An attack or threat that is unjustified, lacking lawful motive.

📝 Essential Points

• The defense must be immediate and real, not based on subjective fears or anticipations.
• The reaction must be simultaneous with the attack; any delay can invalidate the defense.
• Proportionality is crucial: defensive force must match the severity of the attack; excessive force can lead to criminal liability.
• Defense of goods is more restrictive: it must be strictly necessary, proportionate, and cannot justify homicide.
• Presumptions: Certain situations (nighttime intrusion, violence during theft or pillage) create legal presumptions of legitimate defense, easing the burden of proof.
• Force of law enforcement: Police must exercise their duties with proportionality, in uniform or with insignia, and only when strictly necessary.

💡 Key Takeaway

The legitimacy of defense hinges on the simultaneous, necessary, and proportionate reaction to an ongoing or imminent unjustified attack, ensuring the response is immediate and appropriate to the threat.

📖 4. Proportionality & Means

🔑 Key Concepts & Definitions

• Proportionality: Principle that the means of defense used must be in adequate relation to the gravity of the attack or threat. The response should neither be excessive nor insufficient.
• Means of Defense: Actions or force employed to repel an unjustified, current, and real attack or threat, whether against persons or property.
• Immediate Reaction: The response must occur simultaneously with or immediately after the attack, without delay.
• Necessity: The defense action must be the only available means to prevent or stop the attack; no alternative options should exist.
• Real and Current Attack: The threat or act of violence must be ongoing or imminent, not hypothetical or past.
• Presumption of Legitimacy: In specific circumstances (nighttime intrusion, violence, or theft with violence), the law presumes the defense is justified unless proven otherwise.

📝 Essential Points

• The legality of defense hinges on the simultaneity of the attack and response; any delay can invalidate the justification.
• The force used must be proportionate to the threat; excessive force can negate the legitimacy of the defense.
• Defense of persons and property are subject to different restrictions; defense of persons generally allows broader means, while property defense is more limited.
• In cases of presumed defense, such as during night intrusions or violent thefts, the law presumes the defense is justified, shifting the burden of proof.
• The force of law enforcement must meet strict criteria: exercise of official duties, visible identification, and proportionality of force.

💡 Key Takeaway

Proportionality and immediate, necessary means are fundamental to lawful self-defense; any disproportionate or delayed response risks legal liability and undermines the justification of defense actions.

📖 5. Defense of Property & Limits

🔑 Key Concepts & Definitions

• Légitime défense (Article 122-5 of the Penal Code): Exemption from criminal responsibility when a person repels an unjustified, current, real, proportionate, and immediate attack or threat, either against persons or property.
• Attack (Atteinte): Violence, threat, or any action that infringes physical integrity or property.
• Act of defense (Acte de défense): Immediate and proportionate reaction to counter an attack or threat.
• Injustice (Injustifiée): Lack of legitimate motive or legal justification for the defensive act.
• Necessity (Nécessaire): The act of defense must be the only means available to avoid danger.
• Proportionality (Proportionné): The response must be commensurate with the gravity of the attack or threat.

📝 Essential Points

• Defense must be immediate and real, not based on subjective fears.
• Reaction must be simultaneous with the attack; delayed responses are not justified.
• Proportionality requires that the force used does not exceed what is necessary to counter the attack.
• Defense of property is more restrictive: it must target a crime or delict, be strictly necessary, and proportionate; lethal force is generally not justified.
• In cases of entry by force, violence, or trickery into a dwelling at night, or against perpetrators of theft or pillage with violence, legal presumption favors recognition of self-defense.

💡 Key Takeaway

Self-defense is a carefully regulated exception to criminal liability, requiring immediate, necessary, and proportionate responses to unjustified, current threats or attacks, especially emphasizing the distinction between defense of persons and property.

📖 6. Threat on Property & Interruption

🔑 Key Concepts & Definitions

• Légitimate Defense (LD): Legal justification allowing a person to use force to protect themselves, others, or property against an unjustified, current, real, immediate, and proportionate attack or threat (Article 122-5 of the French Penal Code).
• Injustice: An attack or threat lacking legitimate cause or legal justification.
• Actual & Immediate Threat: An attack that is happening or imminent, not a future or past event.
• Proportionality: The response must match the gravity of the threat or attack; excessive force is not justified.
• Necessity: No other means are available to prevent or stop the attack; the response must be strictly necessary.
• Presumption of LD: Certain circumstances (nighttime intrusion, violence, or ruse in a inhabited place; violence during theft or pillage) automatically presume legitimate defense unless proven otherwise.

📝 Essential Points

• Conditions for LD: The attack must be unjustified, current, real, immediate, and the response proportionate.
• Defense of Persons vs. Property: Defense of persons is broader; defense of property is more restrictive, requiring strict necessity and proportionality, and cannot justify homicide.
• Simultaneity & Immediacy: The attack and response must occur simultaneously; delayed reactions or revenge are not protected.
• Nighttime & Daytime Presumptions:
  • Night: Intrusions via effraction, violence, or ruse in inhabited places are presumed to be in legitimate defense.
  • Day: Defense against violence during theft or pillage is presumed.
• Police & Force Use: Law enforcement can justify force or weapon use only if in exercise of duty, in uniform or with visible insignia, and when absolutely necessary and proportionate.

💡 Key Takeaway

Legitimate defense is a tightly regulated exception to responsibility, requiring that the reaction be immediate, necessary, and proportionate to an actual, current threat, with specific legal presumptions in certain circumstances to facilitate justification.

📖 7. Police & Use of Force

🔑 Key Concepts & Definitions

• Use of Force: The application of physical coercion by law enforcement to enforce laws, apprehend suspects, or maintain public order, within legal limits.
• Proportionality: The principle that the level of force used must correspond to the severity of the threat or resistance encountered.
• Necessity: The requirement that force is only employed when no less intrusive means are available to achieve the objective.
• Legitimate Defense (Légitime Défense): Exemption from criminal responsibility when force is used to repel an unjustified, current, real, and proportionate attack.
• Presumption of Legitimate Defense: Legal assumption that certain acts (e.g., night break-ins, violence against property or persons) are justified under specific conditions unless proven otherwise.
• Conditions for Police Use of Force: Must be exercised during the performance of official duties, with visible identification (insignia/uniform), and only when strictly necessary and proportionate.

📝 Essential Points

• Legal Framework: Police are authorized to use force under strict conditions, primarily to enforce laws, protect persons or property, and maintain order.
• Conditions for Use of Force:
  • Exercise of official duties
  • Proper identification (uniform, insignia)
  • Absolute necessity in the situation
  • Proportionality to the threat
• Limits and Oversight:
  • Excessive force is prohibited; abuse can lead to criminal or civil liability.
  • Use of deadly force is only justified in cases of imminent threat to life or serious injury.
• Use of Force Continuum:
  • Verbal commands
  • Physical restraint
  • Non-lethal methods (e.g., tasers, batons)
  • Lethal force (firearms) in extreme cases
• Special Cases:
  • Defense of others or property
  • Arrest procedures
  • Self-defense during apprehension
• Presumption & Conditions:
  • Certain acts (e.g., night break-ins, violence during arrest) are presumed justified unless evidence suggests abuse.
  • Police must justify their actions based on the situation's immediacy and threat level.

💡 Key Takeaway

The use of force by police is a highly regulated act that must balance effective law enforcement with respect for individual rights, strictly adhering to principles of necessity and proportionality to prevent abuse and ensure accountability.

📖 8. Presumption & Night

🔑 Key Concepts & Definitions

• Presumption of Legitimate Defense (LD): Legal assumption that acts committed at night, such as entering by force or violence in a dwelling, or against violent theft/pillage, are presumed to be in self-defense unless proven otherwise (art. 122-6 CP).
• Night: Period between sunset and sunrise, during which certain presumptions of self-defense are applicable.
• Effraction: Unauthorized or violent entry into a building or premises.
• Violence or Ruse: Means used to gain entry or commit acts of theft or pillage, especially during night.
• Legitimate Defense of Persons: Defense justified when an unjustified, current, real, proportionate, and necessary attack is imminent or ongoing.
• Legitimate Defense of Goods: Intervention to stop a crime or threat against property, requiring strict necessity and proportionality, excluding homicide.

📝 Essential Points

• Presumption of LD at Night: When acts such as break-ins, violence, or ruse occur during the night in inhabited premises, the law presumes the actor was acting in self-defense, shifting the burden of proof to the defendant.
• Conditions for Presumption:
  • Nighttime (between sunset and sunrise).
  • Act involves effraction, violence, or ruse.
  • Targeted location is inhabited.
  • Act aims to repel intrusion, theft, or pillage with violence.
• Application Scope:
  • Applies to acts against persons or property during night.
  • Also applies to daytime acts involving violence during theft or pillage.
• Force of Law: Presumption simplifies the defense, but the defendant must still demonstrate the conditions of legitimate defense (immediacy, necessity, proportionality).
• Limitations:
  • Cannot justify homicide; defense must be proportionate.
  • Presumption can be challenged with evidence proving otherwise.
• For Law Enforcement:
  • Conditions for use of force include exercising official duties, visible insignia, and proportionality.
  • Presumption does not exempt officers from strict legal conditions.

💡 Key Takeaway

The legal presumption of self-defense during night-time acts involving break-ins or violence in inhabited premises facilitates defense recognition, but the defendant must still prove that all conditions of legitimate defense are met; the presumption is rebuttable with evidence.

📖 9. Presumption & Day

🔑 Key Concepts & Definitions

• Presumption of Legitimacy (LD): Legal assumption that actions taken during certain conditions (e.g., night, day against violent thefts) are justified as self-defense unless proven otherwise (Articles 122-6, 122-6 CP).
• Day: Period between sunrise and sunset, during which certain presumptions of self-defense against violent crimes are recognized.
• Night: Period between sunset and sunrise, during which presumptions of self-defense, especially for break-ins or violence in inhabited areas, are stronger.
• Effraction: Unauthorized entry into a property, often by force or ruse, relevant in presumptions of self-defense.
• Violence or Ruse: Means used to gain entry or commit an act, crucial in establishing presumptions.
• Self-Defense Presumption (Day & Night): Legal assumption that actions during specified conditions are justified, shifting the burden of proof to the defendant to demonstrate otherwise.

📝 Essential Points

• Presumption of Self-Defense at Night: When an act involves break-in, violence, or ruse during night hours in a dwelling, the law presumes the person acted in self-defense, unless evidence proves otherwise.
• Presumption of Self-Defense During Day: Applies mainly against violent thefts or pillaging in inhabited areas, regardless of time, but with a focus on acts involving violence.
• Conditions for Presumption: The act must involve unlawful intrusion or violence, in a location protected by the presumption (e.g., inhabited dwellings at night, violent thefts during the day).
• Burden of Proof: The accused must demonstrate that their actions meet the conditions of legitimate self-defense; otherwise, the presumption stands.
• Scope: Presumptions facilitate the recognition of self-defense but do not eliminate the need to prove the conditions (immediacy, necessity, proportionality, and reality of the threat).

💡 Key Takeaway

The legal system presumes self-defense in specific circumstances—primarily during night intrusions or violent thefts—aiming to protect individuals from unjustified accusations, but this presumption can be challenged if conditions are not strictly met.

📊 Synthesis Tables

Aspect	Legitimate Defense	Defense of Property
Legal Basis	Article 122-5 of the Penal Code	Same as above, with specific focus on property
Conditions	Unjustified, current, real, proportionate, immediate attack or threat	Attack or threat against property, current, real, proportionate, immediate
Reaction	Immediate, necessary, proportionate	Immediate, necessary, proportionate; stricter for lethal force
Scope	Persons and property	Primarily property, with restrictions on lethal force
Presumptions	Night intrusion, violence, theft with violence	Night intrusion, violent theft, pillage
Limitations	Cannot be excessive; defense of property more restrictive	Cannot justify homicide; must be strictly necessary
Special Cases	Police exercising duties with conditions	Same, with emphasis on necessity and proportionality

Aspect	Attack & Injustice	Police & Use of Force
Definition	Violence or threat infringing rights; unjustified	Use of force by police must be necessary, proportional, and lawful
Conditions	Current, real attack; absence of lawful justification	Exercising official duties, visible insignia, proportionality
Presumptions	Night intrusion, violent theft, pillage	Same as above; presumption of legitimacy in specific cases
Reaction	Immediate, necessary, proportionate	Immediate, necessary, proportionate; only when justified
Limits	Excessive force invalidates defense	Excessive force can lead to liability

Aspect	Proportionality & Means	Defense Act & Simultaneity
Core Principle	Means used must match the gravity of attack	Reaction must be simultaneous and immediate
Key Condition	No excessive force; necessary means	No delay; reaction must occur at the same time as attack
Legal Presumption	Night intrusion, violent theft	Same; presumption in specific circumstances
Reaction Timing	Immediate	Immediate and simultaneous
Means of Defense	Actions or force proportionate to threat	Same; must be necessary and proportionate

⚠️ Common Pitfalls & Confusions

1. Reacting preemptively or delaying response, invalidating legitimate defense.
2. Using excessive force beyond what the attack justifies.
3. Confusing defense of property with defense of persons; property defense is more restrictive.
4. Overlooking the requirement of simultaneity; reaction must occur during or immediately after attack.
5. Failing to recognize specific presumptions in cases of night intrusion or violent theft.
6. Assuming police can use any force; their actions are strictly regulated.
7. Misinterpreting the scope of proportionality, especially in defense of property versus persons.
8. Ignoring the necessity condition; no alternative means should be available.
9. Mistaking lawful defense as justification for lethal force in property cases.
10. Overlooking the importance of legal conditions like wearing insignia or acting within official duties.

✅ Exam Checklist

• Define legitimate defense and list its conditions (unjustified, current, real, proportionate, immediate).
• Explain the importance of simultaneity and immediacy in defense acts.
• Differentiate between defense of persons and property regarding proportionality and means.
• Describe the legal presumptions applicable in night intrusions, violent thefts, and pillage.
• State the limits of force permissible in defense of property.
• Clarify the conditions under which police can justify the use of force.
• Identify the key principles of proportionality and necessity in defense acts.
• Recognize situations where delayed or excessive reactions invalidate legitimate defense.
• Understand the specific restrictions on lethal force in property defense.
• Recall the conditions that justify the presumption of legitimate defense during night intrusions.
• List the essential elements that must be present for a defense act to be considered lawful.
• Summarize the differences between defense of property and defense of persons.