Schriro Director Arizona Department of Corrections v. Summerlin’s Empirical Analysis
2004
Citation profile
710 federal appellate · 138 district · 848 state decisions
How this case has been cited
Cited by 2,197 later decisions (32 by the Supreme Court) — most recently June 2025 · most notably Washington v. Recuenco (2006), Welch v. United States (2016)
710 federal appellate · 138 district · 848 state decisions — followed in 48 states
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.
Appellate journey
reviewedSummerlin v. Stewart (from Ninth Circuit Court of Appeals)
Relationships
Relies on Apprendi v. New Jersey · Almendarez-Torres v. United States · Teague v. Lane · Landgraf v. USI Film Products · Witherspoon v. Illinois
Cited together with Teague v. Lane · Ring v. Arizona · Apprendi v. New Jersey · Strickland v. Washington · Blakely v. Washington
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 2,197 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“without which the likelihood of an accurate conviction is seriously diminished.”
106 later decisions quote this exact passagee.g. In re Dean · Bockting v. Bayer“[t]his holding [in Ring ] did not alter the range of conduct Arizona law subjected to the death penalty”
44 later decisions quote this exact passage · from the majority“alter[ ] the range of conduct or the class of persons that the law punishes”
27 later decisions 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.