or the court at any stage of litigation, including after trial and the entry of judgment. Arbaugh v. Y & H Corp., 546 U.S. 500, 506-07, 126 S.Ct. 1235, 163 L.Ed.2d 1097 (2006). 2 . In the district court complaint, Central Pines alleges a takings claim as an alternative to the quiet title action. Although Central Pines subsequently filed the same takings claim in the Claims Court, it never moved to dismiss the takings claim before the district court, and thus a takings claim was pending when Central Pines filed its complaint at the Claims Court. 3 . To the extent plaintiffs rely on the discussion in Rockwell International Corp. v. United States, 549 U.S. 457, 474, 127 S.Ct. 1397, 167 L.Ed.2d 190 (2007), to aid their argument, that case is disting S.Ct. 1237, 1248, 176 L.Ed.2d 18 (2010) (<HOLDING>); Arbaugh, 546 U.S. at 510-11, 126 S.Ct. 1235
recognizing that issue exhaustion is a mandatory although not jurisdictional requirement holding that this time requirement is mandatory and jurisdictional holding requirement nonjurisdictional and remanding for a possible eeoc waiver of that requirement holding copyright statutes registration requirement a nonjurisdictional condition although previously held to be jurisdictional holding that certificate of merit is a mandatory but nonjurisdictional filing requirement