State v. Welch’s Empirical Analysis
1985
Citation profile
101 state decisions
How this case has been cited
Cited by 101 later decisions — most recently March 2026 · most notably State v. Moore (2000), State v. Farris (2006)
101 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 Illinois v. Gates · Katz v. United States · Carroll v. United States · Chambers v. Maroney · United States v. Ross
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 101 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“[w]here police officers have probable cause to search an entire vehicle, they may conduct a warrantless search of every part of the vehicle and its contents, including all movable containers and packages, that may logically conceal the object of the search.”
5 later decisions quote this exact passage“Probable cause must be based upon objective facts that would justify the issuance of a warrant by a magistrate.”
4 later decisions quote this exact passage“are per se unreasonable under the Fourth Amendment — subject only to a few specifically established and well-delineated exceptions.”
1 later decision quote this exact passage
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.