7 canonical passages across 5 cases, quoted by 53 opinions in total. These passages cluster together because the same opinions keep quoting them side by side — they state parts of one doctrine. The anchor passage is from Holmes Group, Inc. v. Vornado Air Circulation Systems, Inc..
| # | Case | Flag | Canonical passage | Citers |
|---|---|---|---|---|
| 1 | Holmes Group, Inc. v. Vornado Air Circulation Systems, Inc. Anchor | green | “a counterclaim-which appears as part of the defendant's answer, not as part of the plaintiff's complaint-cannot serve as the basis for 'arising under' jurisdiction.” | 13 |
| 2 | Acuna v. Brown & Root Inc. | green | “must presume that a suit lies outside its limited jurisdiction.” | 11 |
| 3 | Bernhard v. Whitney National Bank | green | “even an inevitable federal defense does not provide a basis for removal jurisdiction.” | 7 |
| 4 | Holmes Group, Inc. v. Vornado Air Circulation Systems, Inc. | green | “a counterclaim - which appears as part of the defendant's answer, not as part of the plaintiffs complaint - cannot serve as the basis for 'arising under' jurisdiction.” | 7 |
| 5 | Venable v. Louisiana Workers' Compensation Corp. | green | “a right or immunity created by the constitution or laws of the united states must be an element, and an essential one, of the plaintiff's cause of action.” | 6 |
| 6 | Venable v. Louisiana Workers' Compensation Corp. | green | “necessarily raises a stated federal issue, actually disputed and substantial, which a federal forum may entertain without disturbing any congressionally approved balance of federal and state judicial responsibilities.” | 6 |
| 7 | Un Planters Bnk Natl v. Gavel | green | “a party may neither consent to nor waive federal subject matter jurisdiction.” | 3 |
A red or yellow flag on a member means the underlying case has negative treatment — for those, check the case page before relying on the passage.