O'Brien v. O'Brien’s Empirical Analysis
202 F.2d 254 · 1953
Citation profile
22 federal appellate ·
How this case has been cited
Cited by 30 later decisions — most recently July 1987 · most notably Armour & Co. v. Wilson & Co. (1960), Deep Welding, Inc. v. Sciaky Bros. (1969)
22 federal appellate ·
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 Illinois Northern District Court)
Relationships
Relies on Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp. · Graver Tank & Mfg. Co. v. Linde Air Products Co. · Hazeltine Research, Inc. v. Admiral Corp. · Rogers v. United States · Independent Pneumatic Tool Co. v. Chicago Pneumatic Tool 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 30 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“It is hardly reasonable to think that the patent would have issued over the prior art merely on this particular feature without including it in the claims which, after all, measure the grant [ 202 F. 2d at 257 , 96 USPQ 293 ].”
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.