Perry v. Thomas’s Empirical Analysis
1987
Citation profile
327 federal appellate · 198 district · 898 state decisions
How this case has been cited
Cited by 2,018 later decisions (41 by the Supreme Court) — most recently June 2026 · most notably First Options of Chicago, Inc. v. Kaplan (1995), Gilmer v. Interstate/Johnson Lane Corp. (1991)
327 federal appellate · 198 district · 898 state decisions — followed in 44 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 Erie Co v. Tompkins · Moses H. Cone Memorial Hospital v. Mercury Construction Corp. · Mitsubishi Motors Corporation v. Soler Chrysler-Plymouth Inc Soler Chrysler-Plymouth Inc · Prima Paint Corp. v. Flood & Conklin Mfg. Co. · Dean Witter Reynolds Inc. v. Byrd
Cited together with Moses H. Cone Memorial Hospital v. Mercury Construction Corp. · Southland Corp. v. Keating · Mitsubishi Motors Corporation v. Soler Chrysler-Plymouth Inc Soler Chrysler-Plymouth Inc · Doctor's Associates, Inc. v. Casarotto · Volt Information Sciences Inc v. Board of Trustees of Leland Stanford Junior University
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 2,018 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“[S]tate law, whether of legislative or judicial origin, is applicable if that law arose to govern issues concerning the validity, revocability, and enforceability of contracts generally.”
119 later decisions quote this exact passage · from the dissent“upon such grounds as exist at law or in equity for the revocation of any contract.”
73 later decisions quote this exact passage · from the majority“such an intent 'will be deducible from [the statute's] text or legislative history,' or from an inherent conflict between arbitration and the statute's underlying purpose.”
4 later decisions quote this exact passage · from the dissent
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.