Mealey's (August 10, 2017, 8:06 AM EDT) -- PHILADELPHIA — A Pennsylvania federal judge on Aug. 7 ruled in an issue of first impression for the Third Circuit that a 401(k) plan participant’s lawsuit against a company, its retirement plan and its administrators may not proceed as a class action because the plaintiff has failed to allege that he is an adequate representative of other plan participants (Jason Mendenhall v. Out of Site Infrastructure, Inc., et al., No. 2:14-4996, E.D. Pa., 2017 U.S. Dist. LEXIS 124341)....