Giglio v. United States’s Empirical Analysis
1972
Citation profile
3,883 federal appellate · 709 district · 3,724 state decisions
How this case has been cited
Cited by 12,139 later decisions (77 by the Supreme Court) — most recently June 2026 · most notably United States v. Bagley (1985), United States v. Agurs (1976)
3,883 federal appellate · 709 district · 3,724 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
reviewedUnited States v. Keogh (from Second Circuit Court of Appeals)
Relationships
Relies on Brady v. State of Maryland · Napue v. People of the State of Illinois · Mooney v. Holohan · Pyle v. State of Kansas
Cited together with Brady v. State of Maryland · Napue v. People of the State of Illinois · United States v. Bagley · United States v. Agurs · Strickland 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 12,139 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“the suppression by the prosecution of evidence favorable to an accused upon request violates due process where the evidence is material either to guilt or to punishment, irrespective of the good faith or bad faith of the prosecution.”
278 later decisions quote this exact passage · from the majority“Here the Government’s case depended almost entirely on Taliento’s testimony; without it there could have been no indictment and no evidence to carry the case to the jury. Taliento’s credibility as a witness was therefore an important issue in the case, and evidence of any understanding or agreement as to a future prosecution would be relevant to his credibility and the jury was entitled to know of it.”
93 later decisions quote this exact passage · from the majority“good judgment and conscience of the Government”
5 later decisions quote this exact passage · from the majoritye.g. Birano v. State. · King v. State
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.