Beyond Predominance: Alternative Arguments Against Class Certification Leverage the Latest Court Decisions to Challenge Class Membership and Defeat Certification. Class certification proceedings often focus on whether common issues predominate over individual issues. Recent decisions, however, highlight the importance of raising arguments beyond those afforded by Rule 23(b)(3)--including arguments arising from other subsections of Rule 23 and those originating in the case law. Join our panel as they discuss recent developments concerning several such avenues for defending against certification, including: Ascertainability. Ascertainability demands that class action plaintiffs present a mechanism for identifying prospective class members before the class is certified. Panelists will explain the federal circuit split on ascertainability issues, discuss recent decisions denying class certification on this ground, and provide insight regarding which arguments seem to be well received in different jurisdictions. Typicality and adequacy. Rule 23(a)'s typicality and adequacy requirements prevent certification if [...]