Defense (legal)
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| Criminal defenses |
| Part of the common law series |
| Insanity · Immunity · Mental disorder Diminished responsibility Intoxication · Infancy Automatism Consent · Mistake Duress · Necessity Provocation · Self defense False confession · Entrapment |
| See also Criminal law and procedure |
| Other common law areas |
| Criminal · Contract · Tort · Property Wills · Trusts and Estates Evidence |
| Portals |
| Law · Criminal justice |
| This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (July 2007) |
In civil proceedings and criminal prosecutions under the common law, a defendant may raise a defence (or defense) in an attempt to avoid criminal or civil liability. Besides contesting the accuracy of any allegation made against him or her in a criminal or civil proceeding, a defendant may also make allegations against the prosecutor or plaintiff or raise a defense, arguing that, even if the allegations against the defendant are true, the defendant is nevertheless not liable.
[edit] Civil law defences
In common law, a defendant may raise any of the numerous defences to limit or avoid liability. These include:
- Lack of personal or subject matter jurisdiction of the court, such as diplomatic immunity.
- Failure to state a cause of action or other insufficiencies of pleading.
- Any of the affirmative defenses.
- Defenses conferred by statute - such as a statute of limitations or the statute of frauds.
- Ex turpi causa non oritur actio - the action against the defendant arises from an illegality.
- Volenti non fit injuria - consent by the victim or plaintiff.
[edit] Self-defence
In addition to defences against prosecution and liability, a defendant may also raise a defence of justification - such as self defence and defence of others or defence of property.

