6 canonical passages across 3 cases, quoted by 36 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 Scottsdale Insurance Company v. Detco Industries, Inc..
| # | Case | Flag | Canonical passage | Citers |
|---|---|---|---|---|
| 1 | Scottsdale Insurance Company v. Detco Industries, Inc. Anchor | green | “suits are parallel if substantially the same parties litigate substantially the same issues in different forums.” | 17 |
| 2 | Scottsdale Insurance Company v. Detco Industries, Inc. | green | “substantially the same parties litigate substantially the same issues in different forums.” | 5 |
| 3 | Capitol Indemnity Corporation v. Gerald Haverfield | green | “if so, the district court must dismiss the federal action because 'it would be uneconomical as well as vexatious for a federal court to proceed in a declaratory judgment suit where another suit is pending in a state court presenting the same issues, not governed by federal law, …” | 4 |
| 4 | Capitol Indemnity Corporation v. Gerald Haverfield | green | “it would be uneconomical as well as vexatious” | 4 |
| 5 | Capitol Indemnity Corporation v. Gerald Haverfield | green | “it would be uneconomical as well as vexatious for a federal court to proceed in a declaratory judgment suit where another suit is pending in a state court presenting the same issues, not governed by federal law, between the same parties.” | 4 |
| 6 | Western Heritage Insurance v. Sunset Security, Inc. | green | “required even when the declaratory judgment action was filed months before the state-court action.” | 2 |
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.