Case or Controversy Clause

United States federal civil procedure doctrines
Justiciability
Advisory opinions Standing Ripeness Mootness Political questions Constitutional avoidance
Jurisdiction
Subject-matter Federal question Diversity Amount in controversy Supplemental Removal Class Action Fairness Act of 2005 Personal In personam In rem Quasi in rem
Federalism
Erie doctrine Abstention Anti-Injunction Act Sovereign immunity Abrogation Rooker–Feldman doctrine Adequate and independent state ground
v t e

The Supreme Court of the United States has interpreted the Case or Controversy Clause of Article III of the United States Constitution (found in Art. III, Section 2, Clause 1) as embodying two distinct limitations on exercise of judicial review: a bar on the issuance of advisory opinions, and a requirement that parties must have standing.^[1]

In this context, "controversy" means an actual dispute between the parties.^[2]