In the past few years, Professor Mark Moller of DePaul University Law School has proven to be one of the most thoughtful critics of modern class action law in the legal academy. While most commentators take on class action decisions from either a pro-plaintiff or pro-defendant standpoint, Professor Moller appears intent on evaluating these opinions

Plaintiff and defense lawyers tend to talk past each other a lot when discussing the legal theories underlying the class action. Plaintiffs talk of deterrence, and the need for easier certification requirements. Defendants talk about potential abuses of the device, and the need for due process. Plaintiffs prefer the "entity theory" of class actions. Defendants