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Qualified Immunity: Ignorance Excused, Barbara E. Armacost

Vanderbilt Law Review

Public officials receive qualified immunity from damages liability for constitutional violations if they reasonably could have believed their actions were constitutional under clearly established law. In this regard qualified immunity is quite unusual. In most other legal contexts, failure to know the law is virtually never excused. The only other context where notice or knowledge of illegality plays any role is in criminal law, but even mistakes of penal law are rarely excused.

In this Article, Professor Armacost uses fair notice in criminal law as a paradigm for analyzing the role of notice in constitutional damages actions. She argues that …