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Publication

The Doctrine of Prior Restraint

Emerson, Thomas
Abstract
The concept of prior restraint, roughly speaking, deals with official restrictions imposed upon speech or other forms of expression in advance of actual publication. Prior restraint is thus distinguished from subsequent punishment, which is a penalty imposed after the communication has been made as a punishment for having made it. Again speaking generally, a system of prior restraint would prevent communication from occurring at all; a system of subsequent punishment allows the communication but imposes a penalty after the event. Of course, the deterrent effect of a later penalty may operate to prevent a communication from ever being made. Nevertheless, for a variety of reasons, the impact upon freedom of expression may be quite different, depending upon whether the system of control is designed to block publication in advance or deter it by subsequent punishment.