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BRIAN ADAMS, et al.,
Plaintiffs-Appellees,
v.
3M COMPANY, fka Minnesota Mining and Manufacturing Company,
Defendant-Appellant.
   No. 23-5232
Appeal from the United States District Court for the Eastern District of Kentucky at Pikeville.
Nos. 7:21-cv-00082; 7:21-cv-00086—Robert E. Wier, District Judge.
Argued: April 18, 2023
Decided and Filed: April 19, 2023
Before: SUTTON, Chief Judge; NORRIS and McKEAGUE, Circuit Judges.


_________________________
OPINION
_________________________

SUTTON, Chief Judge. The Class Action Fairness Act of 2005, often called CAFA, extends federal diversity jurisdiction to certain “mass action[s]” involving “100 or more persons.” 28 U.S.C. § 1332(d)(11)(B)(i). At issue is whether two state-court complaints, each joining more than 100 plaintiffs, qualify as CAFA mass actions. We conclude that they do and reverse the district court’s contrary determination.