Injury Is Not Enough In Class Action Certification

Law360, New York (February 6, 2012, 1:28 PM EST) -- Defendants challenging the certification of a class action are generally guided to focus their defense on the four criteria laid out in Rule 23(a) of the Federal Rules of Civil Procedure.

Those four criteria, the prerequisites for certification of a class, are:

The class is so numerous that joinder of all members is impracticable; There are questions of law or fact common to the class; The claims or defenses of the representative parties are typical of the claims or defenses of the class; and The representative...
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