3 canonical passages across 2 cases, quoted by 16 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 Commonwealth Edison Co. v. Will County Collector.
| # | Case | Flag | Canonical passage | Citers |
|---|---|---|---|---|
| 1 | Commonwealth Edison Co. v. Will County Collector Anchor | green | “would impair rights a party possessed when he acted, increase a party's liability for past conduct, or impose new duties with respect to transactions already completed.” | 7 |
| 2 | People ex rel. Alvarez v. Howard | green | “procedural changes to statutes will be applied retroactively, while substantive changes are prospective only.” | 5 |
| 3 | People ex rel. Alvarez v. Howard | green | “is a general savings clause, which this court has interpreted as meaning that procedural changes to statutes will be applied retroactively, while substantive changes are prospective only.” | 4 |
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.