Eggshell skull

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The eggshell rule (also thin skull rule, papier-mâché-plaintiff rule, or talem qualem rule)^[1] is a well-established legal doctrine in common law, used in some tort law systems,^[2] with a similar doctrine applicable to criminal law. The rule states that, in a tort case, the unexpected frailty of the injured person is not a valid defense to the seriousness of any injury caused to them.