or if it has waived its sovereign immunity. The Eleventh Amendment provides sovereign immunity to states from suits brought in federal court. See Idaho v. Coeur d’Alene Tribe of Idaho, 521 U.S. 261, 268, 117 S.Ct. 2028, 138 L.Ed.2d 438 (1997). “[A] federal court has subject matter jurisdiction to hear cases involving federal law, but the Eleventh Amendment gives the state ‘a sovereign immunity from suit.’ ” Tegic Commc’ns Corp. v. Bd. of Regents of Univ. of Texas Sys., 458 F.3d 1335, 1340 (Fed.Cir.2006) (quoting Coeur d’Alene Tribe, 521 U.S. at 267, 117 S.Ct. 2028). Sovereign immunity applies to actions brought under the patent laws of the United States. See generally Fla. Prepaid Postsecondary Educ. Expense Bd. v. Coll. Sav. Bank, 527 U.S. 627, 119 S.Ct. 2199, 144 L.Ed.2d 575 (1999) (<HOLDING>). A state, however, may waive its immunity from
holding that congress did not properly abrogate states eleventh amendment immunity from suits under the patent act holding that congress exceeded its authority under  5 of the fourteenth amendment in attempting to abrogate the states eleventh amendment immunity in adea suits holding that congress did not intend to abrogate eleventh amendment immunity in enacting 42 usc  1983 holding that the tia does not abrogate states immunity under the eleventh amendment holding that congress could abrogate the eleventh amendment pursuant to the commerce clause