When a defendant receives an adverse decision on a motion for class certification, whether the court of appeals grants permission to appeal under Rule 23(f) of the Federal Rules of Civil Procedure (or a state-court equivalent, if available) can be a crucial turning point in the case. If the court of appeals will not hear

The Seventh Circuit recently addressed an interesting issue regarding the types of appeals permitted by Rule 23(f).  In Matz v. Household International Tax Reduction Investment Plan, No. 12-8010, 2012 U.S. App. LEXIS 14771 (7th Cir. July 19, 2012), the district court had modified a previously-certified class to eliminate between 57% and 71% of the