Steven Guest’s Empirical Analysis
2001
Citation profile
1 federal appellate · 13 district · 27 state decisions
How this case has been cited
Cited by 80 later decisions — most recently October 2025 · most notably State v. Castagnola (2015), State v. Evers (2003)
1 federal appellate · 13 district · 27 state decisions — followed in 13 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.
Relationships
Relies on Anderson v. Liberty Lobby, Inc. · Harlow v. Fitzgerald · Anderson v. Creighton · Minnesota v. Olson · United States v. Miller
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 80 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“[Email users] would lose a legitimate expectation of privacy in an e-mail that had already reached its recipient; at this moment, the e-mailer would be analogous to a letter-writer, whose 'expectation of privacy ordinarily terminates upon delivery' of the letter.”
2 later decisions quote this exact passage · from the majority“' "as specific as the circumstances and the nature of the activity under investigation permit.”
2 later decisions quote this exact passage · from the majoritye.g. State v. Pippin · State v. Shaskus“Materials, other than contraband or the fruits of a crime or things otherwise criminally possessed, or property designed or intended for use, or which is or has been used, as the means of committing a criminal offense, and— (1) in anticipation of communicating such materials to the public, are prepared, produced, authored, or created, whether by the person in possession of the materials or by any other person; (2) are possessed for the purposes of communicating such materials to the public; and (3) include mental impressions, conclusions, opinions, or theories of the person who prepared, produced, authored, or created such material.”
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.