Wisconsin Motion for Review of Certification is a legal process that allows an aggrieved party to request a higher court to review and potentially reverse a decision made by a lower court regarding the certification of a class action lawsuit. It is an essential tool within the Wisconsin legal system, ensuring the fair and proper handling of class action cases. In Wisconsin, there are two primary types of motions for review of certification, each serving a distinct purpose. The first is the Motion for Review of Certification Denial, which is filed by the petitioner (usually the plaintiff) when the lower court has denied class certification. This motion requests the higher court to review the denial decision and potentially reverse it, allowing the lawsuit to proceed as a class action. The second type is the Motion for Review of Certification Grant, which is filed by an opposing party (often the defendant) when the lower court has granted class certification. This motion seeks a review and reversal of the certification decision, aiming to prevent the lawsuit from proceeding as a class action due to various reasons such as lack of commonality, typicality, or adequacy of representation among class members. To file a Wisconsin Motion for Review of Certification, the moving party must demonstrate with compelling evidence that the lower court's decision was either erroneous or abused its discretion in certifying or denying certification. The motion should provide a detailed argument, supported by relevant case law and legal precedents, explaining why the class certification decision was flawed or unjust. It is crucial to note that filing a Wisconsin Motion for Review of Certification does not guarantee the desired outcome. The higher court has the discretion to review the motion and make a new determination based on the evidence and arguments presented. The reviewing court will carefully evaluate the legal merits, compliance with Wisconsin class action rules, and the interests of justice when deciding to affirm, reverse, or modify the certification decision. In conclusion, the Wisconsin Motion for Review of Certification is a crucial legal tool used to challenge a lower court's decision regarding class certification. It allows aggrieved parties to request a higher court's intervention and potentially reverse an unfavorable certification ruling. Whether filing a Motion for Review of Certification Denial or a Motion for Review of Certification Grant, the moving party must provide compelling evidence and persuasive legal arguments to substantiate their request for review.