Roberts v. Mars Petcare US, Inc., No. 17-6122 (6th Cir. 2017)
Annotate this CaseThe Class Action Fairness Act extends federal court jurisdiction to class actions on behalf of 100 or more people and in request of $5 million or more in damages if “any member of a class of plaintiffs is a citizen of a State different from any defendant,” 28 U.S.C. 1332(d)(2)(A), (d)(5), (d)(6). Roberts filed a class action on behalf of Tennessee citizens against Mars, a citizen of Tennessee and Delaware, alleging a conspiracy to employ a “prescription-authorization requirement” to sell pet food at above market prices in violation of the Tennessee Trade Practices Act. Mars removed the case to federal court, invoking its Delaware citizenship and claiming its Tennessee citizenship did not matter. The Sixth Circuit reversed the district court’s denial of plaintiffs’ motion for remand to state court. Because section 1332(d)(2)(A) refers to all of a defendant’s citizenships, not the alternative that suits it, Mars cannot rely on its state of incorporation (Delaware) and ignore its principal place of business (Tennessee) to create diversity under the Act.
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