(…) Federal court under diversity jurisdiction. Federal courts sitting in diversity are “extremely cautious” about recognizing innovative theories under state law (Combs v. Int’l Ins. Co. (6th Cir. 2004) 354 F.3d 568, 578) and are bound to “apply the applicable state law as it now exists.” (Foster, 29 F.3d at p. 171; see generally Gluck, Intersystemic Statutory Interpretation: Methodology as “Law” and the Erie Doctrine (2011) 120 Yale L.J. 1898, 1939 [federal courts “pick the narrowest possible answer, usually the one that does the least to change the status quo, regardless of its predictions of what the state court would do”].)
Secondary sources: Gluck, Intersystemic Statutory Interpretation: Methodology as “Law” and the Erie Doctrine (2011) 120 Yale L.J. 1898, 1939.
(Cal. S.C., Dec. 21, 2017, T.H. v. Novartis Pharmaceuticals Corporation, S233898).
Quand elles statuent en diversité, les cours fédérales veilleront à appliquer le droit des états dans sa teneur objective, sans chercher à créer de nouvelles théories juridiques.