Royal Business Machines, Inc. v. Lorraine Corp.’s Empirical Analysis
633 F.2d 34 · 1980
Citation profile
27 federal appellate · 2 district · 20 state decisions
How this case has been cited
Cited by 77 later decisions (2 by the Supreme Court) — most recently March 2020 · most notably Continental Bank, N.A. v. Meyer (1993), Harris v. Pirch (1982)
27 federal appellate · 2 district · 20 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.
Relationships
Relies on United States v. United States Gypsum Co. · Vernon Fire & Casualty Insurance Co. v. Sharp · Photovest Corporation v. Fotomat Corporation · Hibschman Pontiac, Inc. v. Batchelor · The Bank of the United States v. Andrew Donnally
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 77 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“The decisive test for whether a given representation is a warranty or merely an expression of the seller’s opinion is whether the seller asserts a fact of which the buyer is ignorant or merely states an opinion or judgment on a matter of which the seller has no special knowledge and on which the buyer may be expected also to have an opinion and to exercise his judgment.”
3 later decisions quote this exact passage · from the majority“It is the law that a plaintiff may not recover for breach of express or implied warranty where the facts proven show that there are several possible causes of an injury, for one or more of which the defendant was not responsible and it is just as reasonable and probable that the injury was the result of one cause or the other.”
2 later decisions quote this exact passage · from the majority“[gleneral statements to the effect that goods are 'the best,' or are 'of good quality,' or will 'last a lifetime' and be 'in perfect condition' are generally regarded as expressions of the seller's opinion or 'the puffing of his wares' and do not create an express warranty.”
2 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.