University of Pittsburgh v. Varian Medical (Fed. Cir. 2009)
The district court dismissed Pitt's infringement action for lack of standing because Carnegie Mellon is a co-owner. Ordinarily all co-owners must join as plaintiffs in an infringement suit, and here Carnegie Mellon did not join. Notably, the district court dismissed the case with prejudice - barring Pitt from later re-filing the lawsuit once Carnegie is on-board.
On appeal, the Federal Circuit took a minimalist approach - holding only that the district court abused its discretion in dismissing with prejudice rather than without prejudice.
Federal Rule of Civil Procedure 12(b)(7) allows a district court to dismiss an action for failure to join a party under Rule 19. However, it is clear that a dismissal for failure to join a party is not an adjudication on the merits, and thus, should not have preclusive effect—i.e. such a dismissal should be without prejudice. See Hughes v. United States, 71 U.S. (4 Wall.) 232, 237 (1866).
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Fieldturf, Inc. v. Sw. Recreational Indus., 357 F.3d 1266, 1269 (Fed. Cir. 2004) (“Ordinarily, dismissal for lack of standing is without prejudice. On occasion, however, a dismissal with prejudice is appropriate, especially where it is plainly unlikely that the plaintiff will be able to cure the standing problem.”).



