Perry v. Block’s Empirical Analysis
684 F.2d 121 · 1982
Citation profile
66 federal appellate · 346 district · 6 state decisions
How this case has been cited
Cited by 485 later decisions — most recently May 2022 · most notably Oglesby v. United States Department of the Army (1990), Weisberg v. U.S. Department of Justice (1984)
66 federal appellate · 346 district · 6 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 Vaughn v. Rosen · Jones v. Nor-Tex Agencies, Inc. · Harris v. McRae · Goland v. Central Intelligence Agency
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 485 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“in reasonable detail the scope and method of the search conducted by the agency,”
24 later decisions quote this exact passage · from the majority“must prove that each document that falls within the class requested either has been produced, is unidentifiable, or is wholly exempt from [FOIA's] inspection requirements.”
4 later decisions quote this exact passage · from the majority“[F]ederal courts ... rely on government affidavits to determine whether the statutory obligations of the FOIA have been met.”
4 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.