259 Ill. App. 3d 269 - Roy v. Coyne’s Empirical Analysis
1994
Citation profile
12 federal appellate · 31 state decisions
How this case has been cited
Cited by 67 later decisions — most recently February 2026 · most notably 278 Ill. App. 3d 606 - Soderlund Bros., Inc. v. Carrier Corp. (1995), 348 Ill. App. 3d 929 - Village of South Elgin v. Waste Management of Illinois, Inc. (2004)
12 federal appellate · 31 state decisions
Later decisions citing this case, by decade. The current decade is in progress, and our corpus holds fewer opinions from the most recent years, so the latest bars are undercounted — not a real decline.
Relationships
Relies on William Marbury v. James Madison · Gomez v. Toledo · 131 Ill. 2d 145 - HPI Health Care Services, Inc. v. Mt. Vernon Hospital, Inc. · 88 Ill. 2d 407 - Knox College v. Celotex Corp. · 142 Ill. 2d 495 - Fellhauer v. City of Geneva
Most-quoted passages
The sentences later courts lift from this opinion, ranked by how many decisions quote each — the parts of the opinion doing the work. These counts are smaller than the citation total above because most of the 67 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“In Illinois, this court has repeatedly stated that where the conduct of a defendant in an interference with contract action was privileged, it is the plaintiff's burden to plead and prove that the defendant's conduct was unjustified or malicious.”
2 later decisions quote this exact passage · from the concurrence“[The language in HPI Health Care ] certainly does not foreclose the possibility that justification can be an affirmative defense ... rather than an absence of justification being an essential element ....”
1 later decision quote this exact passage · from the concurrencee.g. Webb v. Frawley
How this case has been treated — in progress
Whether each later court followed, distinguished, criticized, or overruled this decision. The treatment classification (task #35) runs highest-cited cases first and lights up here as it reaches this one.