From Dearborn Street Building Assocs. v. Silverman & Morris, PLLC, 2011 U.S. App. LEXIS 3287 (6th Cir. Feb. 17, 2011):
In diversity cases, the question of whether an individual or entity is a necessary party is a procedural question governed by federal law. See Hooper v. Wolfe, 396 F.3d 744, 749 n.4 (6th Cir. 2005) (citing Provident Tr ...
From Dearborn Street Building Assocs. v. Silverman & Morris, PLLC, 2011 U.S. App. LEXIS 3287 (6th Cir. Feb. 17, 2011):
In diversity cases, the question of whether an individual or entity is a necessary party is a procedural question governed…