Q-Tips, Inc. v. Johnson & Johnson’s Empirical Analysis
207 F.2d 509 · 1953
Citation profile
5 federal appellate · 7 district ·
How this case has been cited
Cited by 15 later decisions — most recently December 1981
5 federal appellate · 7 district ·
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 Graver Tank & Mfg. Co. v. Linde Air Products Co. · Lincoln Engineering Co of Illinois v. Stewart-Warner Corporation · Sinclair & Carroll Co. v. Interchemical Corp. · Fay v. Cordesman · Cover v. Schwartz
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 15 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“In a combination patent, every element claimed is deemed essential, and the patentee will not be heard to assert its immateriality.”
1 later decision 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.