Federal Trade Commission v. Morton Salt Co.’s Empirical Analysis
334 U.S. 37 · 1948
Citation profile
634 federal appellate · 62 district · 53 state decisions
How this case has been cited
Cited by 1,133 later decisions (96 by the Supreme Court) — most recently September 2025 · most notably Brown Shoe Co. v. United States (1962), Eastman Kodak Co. v. Image Technical Services, Inc. (1992)
634 federal appellate · 62 district · 53 state decisions — followed in 17 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
reviewedMorton Salt Co. v. Federal Trade Commission (from Seventh Circuit Court of Appeals)
Relationships
Applies 15 U.S.C. § 13 (§ 2 of the Clayton Antitrust Act of 1914) · 15 U.S.C. § 21 (§ 11 of the Clayton Antitrust Act of 1914)
Relies on Securities and Exchange Commission v. Chenery Corporation Same · Federal Trade Commission v. Cement Institute · National Labor Relations Board v. Express Publishing Co. · May Department Stores Co. v. National Labor Relations Board
Cited together with Corn Products Refining Co. v. Federal Trade Commission · Standard Oil Co. v. Federal Trade Commission · Federal Trade Commission v. Anheuser-Busch, Inc. · Truett Payne Company Inc v. Chrysler Motors Corporation · Falls City Industries, Inc. v. Vanco Beverage, Inc.
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 1,133 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“and (2) the effect of such discrimination may be substantially to lessen competition or tend to create a monopoly in any line of commerce.”
18 later decisions quote this exact passage · from the majority“require that the discriminations must in fact have harmed competition.”
12 later decisions quote this exact passage · from the majority“[t]heoretically, [the] discounts are equally available to all, but functionally they are not.”
10 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.