553 F.3d 913 (5th Cir. 2008) Cited 347 times 8 Legal Analyses
Holding that the relation back principle applies to ensure that defendants cannot unilaterally “pick off” collective action representatives and noting that the fundamental differences between “opt out” Rule 23 class actions and “opt in” FLSA collective actions suggests that the “rules and policies underlying” one “might not apply” when construing the other