99 Ill. 2d 163 - People v. Royse’s Empirical Analysis
1983
Citation profile
91 state decisions
How this case has been cited
Cited by 95 later decisions — most recently February 2025 · most notably 104 Ill. 2d 463 - People v. Stewart (1984), 105 Ill. 2d 79 - People v. Gaines (1984)
91 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 Glasser v. United States · Gideon v. Wainwright · Cuyler v. Sullivan · Argersinger v. Hamlin · 79 Ill. 2d 564 - People v. Carlson
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 95 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“if * * * appointed counsel was actually incompetent, as reflected in the performance of his duties as trial attorney, and if this incompetence produced substantial prejudice to the defendant without which the result of the trial would probably have been different.”
1 later decision quote this exact passage · from the majority
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.