Florida v. Powell’s Empirical Analysis
2010
Citation profile
46 federal appellate · 134 state decisions
How this case has been cited
Cited by 248 later decisions (18 by the Supreme Court) — most recently August 2025 · most notably J. D. B. v. North Carolina (2011), J. D. B. v. North Carolina (2011)
46 federal appellate · 134 state decisions — followed in 24 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
reviewedthe decision below (from Supreme Court of Florida)
Relationships
Relies on Miranda v. State of Arizona Vignera · Terry v. Ohio · Coleman v. Thompson · Rhode Island v. Innis · Michigan v. Long
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 248 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“[A suspect] must be warned prior to any questioning [1] that he has the right to remain silent, [2] that anything he says can be used against him in a court of law, [3] that he has the right to the presence of an attorney, and [4] that if he cannot afford an attorney one will be appointed for him prior to any questioning if he so desires.”
13 later decisions quote this exact passage · from the concurrence“You have the right to remain silent. If you give up the right to remain silent, anything you say can be used against you in court. You have the right to talk to a lawyer before answering any of our questions. If you cannot afford to hire a lawyer, one will be appointed for you without cost and before any questioning. You have the right to use any of these rights at any time you want during this interview.”
12 later decisions quote this exact passage · from the majority“reasonably conveyed Powell's right to have an attorney present, not only at the outset of interrogation, but at all times.”
6 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.