U.S. Court of Appeals for the Third Circuit

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Case Updates

Third Circuit affirms that ascertainability is a key requirement of Rule 23 and upholds the district court’s rigorous analysis applying that requirement

April 24, 2023

Click here to view the opinion.

U.S. Chamber files amicus brief urging Third Circuit to reaffirm that district courts must conduct rigorous ascertainability analysis before certifying class actions

March 21, 2022

Click here to view the Chamber’s amicus brief. Adam G. Unikowsky of Jenner & Block LLP and the U.S. Chamber’s Litigation Center served as co-counsel for the U.S. Chamber.

Case Documents