There is a basic concept in the law of due process.  Part of that is that a person or entity should not be sued in a State where it has not done business.  In the old days, it might be sufficient to show that the defendant never stepped foot in New Jersey and therefore is not subject to the jurisdiction of the Courts.  This question is governed by the principle of reasonableness and whether the defendant has minimum contacts sufficient that he should expect to be haled into court here.

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