T. M. v. University of Md. Medical System Corporation · ¶91

Until today, this Court has applied the Rooker-Feldman doctrine “only twice.” Exxon, 544 U. S., at 283. That is no accident: Because Rooker-Feldman stands on shaky ground, we have consciously kept its footprint small. Its rationale has gotten no firmer, so we should make the doctrine no larger.

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