Simpson v. United Oil Company of California’s Empirical Analysis
1964
Citation profile
423 federal appellate · 84 district · 48 state decisions
How this case has been cited
Cited by 916 later decisions (60 by the Supreme Court) — most recently March 2022 · most notably Mitsubishi Motors Corporation v. Soler Chrysler-Plymouth Inc Soler Chrysler-Plymouth Inc (1985), Chevron Oil Co. v. Huson (1971)
423 federal appellate · 84 district · 48 state decisions — followed in 11 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
reviewedSimpson v. Union Oil Co. of California (from Ninth Circuit Court of Appeals)
Relationships
Applies 15 U.S.C. § 1 (§ 1 of the Sherman Antitrust Act) · 15 U.S.C. § 15 (§ 4 of the Clayton Antitrust Act of 1914) · 15 U.S.C. § 45 (§ 5 of the Federal Trade Commission Act of 1914) · 35 U.S.C. § 154 · 7 U.S.C. § 499A (Perishable Agricultural Commodities Act)
Relies on Poller v. Columbia Broadcasting System, Inc. · United States v. Socony-Vacuum Oil Co. · United States v. Colgate & Co. · Klor's, Inc. v. Broadway-Hale Stores, Inc. · United States v. Parke, Davis & Co.
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 916 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“'[A] supplier may not use coercion on its retail outlets to achieve resale price maintenance.'”
18 later decisions quote this exact passage · from the majority“[t]he patent laws which give a 17-year monopoly on 'making, using, or selling the invention' are in pari materia with the antitrust laws and modify them pro tanto.”
6 later decisions quote this exact passage · from the majority“merely by clever manipulation of words, not by ... substance.”
5 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.