Diversity of Citizenship
[1] Amount in Controversy Requirement
The amount in controversy in the case must exceed $75,000.
§28 U.S.C. §1332(a)
[2] Complete Diversity Rule
To be granted diversity jurisdiction in federal court, there must be complete diversity between all plaintiffs and all defendants in the case.
Strawbridge v. Curtiss, 7 U.S. 267 (1806)
Determining Citizenship of the Parties
Individuals
Domicile Test: If an individual moves to a state with the intent to remain there indefinitely, they have established a new domicile that supersedes their previous domicile in another state.
Gordon v. Steele, W.D. Pa. (1974)
Alienage Rule: Marriage does not automatically confer or remove citizenship from the parties.
Mas v. Perry, 5th Cir. (1974)
Corporations
Corporate Dual Citizenship Rule: A corporation is a citizen of every State and foreign state in which it’s incorporated and has its principal place of business.
28 U.S.C. 1332(c)(1)
Nerve Center Test: A corporation’s “principal place of business” is the place where a corporation’s officers direct, control, and coordinate the corporation’s activities.
Hertz Corp. v. Friend, 559 U.S. 77 (2010)
Other Business Entities (Partnerships, LLCs, etc.): Unincorporated enterprises are analogized to partnerships, which take the citizenship of every general and limited partner when considering whether diversity jurisdiction applies.
Belleville v. Champaign, 7th Cir. 2003