Chicago, Illinois Motion for Review of Certification is a legal procedure that allows parties involved in a court case to challenge the certification of a class action lawsuit in the Chicago, Illinois jurisdiction. It is a critical step in the litigation process that aims to review and potentially overturn the certification decision by a lower court. A Motion for Review of Certification in Chicago, Illinois is typically filed by the defendant(s) or interested parties who believe that the class action lawsuit should not have been certified as a class or that the requirements for class certification were not met. This motion is an opportunity to present arguments and evidence to persuade the reviewing court to reconsider and reverse the lower court's decision on class certification. There are several types of Chicago, Illinois Motion for Review of Certification, which includes: 1. Interlocutory Motion for Review of Certification: This type of motion is filed before the case goes to trial and requests the appellate court to review and overturn the lower court's decision to certify the class action lawsuit. The purpose is to prevent further proceedings as a class until the certification issue is resolved. 2. Post-Trial Motion for Review of Certification: Filed after a trial has taken place, this motion seeks to challenge the class certification decision based on new evidence or arguments that may have arisen during the trial. The goal is to have a higher court reconsider and potentially reverse the certification. 3. Appeal of Certification Decision: If the motion for review of certification is denied at the appellate level, the option remains to file an appeal challenging the certification decision. This type of appeal seeks a higher court to review the entire case and determine if class certification was appropriate or not. In summary, a Chicago, Illinois Motion for Review of Certification is a legal process allowing parties to challenge the certification of a class action lawsuit in the Chicago jurisdiction. It is an important step to challenge and potentially reverse the certification decision by a lower court. Different types of motions for review may be filed, including interlocutory motions before trial, post-trial motions based on new evidence, or appeals challenging the certification decision.