A defendant may defend an action by filing a notice of notice. A defendant who has no counterclaim or does not wish to defend may seek notice of all steps in the proceedings by filing a notice of notice.
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The exhaustion doctrine limits the extent to which patent holders can control an individual article of a patented product after a so-called authorized sale.
The Doctrine of Remoteness refers that if the wrongful act has been done, the defendant was not liable “ad infinitum” for all the consequences which were made up by the act.