Great Lakes Gas Transmission Ltd. Partnership v. Essar Steel Minnesota LLC

GRUENDER, Circuit Judge.

Great Lakes Gas Transmission Limited Partnership (“Great Lakes”) brought suit against Essar Steel Minnesota, LLC and related entities (“ESML”) for breach of contract in federal court, asserting diversity jurisdiction. The parties later discovered that diversity jurisdiction did not exist, and ESML filed a motion to dismiss for lack of subject matter jurisdiction. The district court held that it had federal question jurisdiction and denied the motion. The case proceeded to trial, and judgment was entered for Great Lakes. For the reasons discussed below, we conclude that…