Collins v. Itoh’s Empirical Analysis
1972
Citation profile
2 district · 53 state decisions
How this case has been cited
Cited by 55 later decisions — most recently June 2025 · most notably Sard v. Hardy (1977), Armstrong v. State (1999)
2 district · 53 state decisions
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 Natanson v. Kline · 154 Cal. App. 2d 560 - Salgo v. Leland Stanford Jr. University Board of Trustees · Di Filippo v. Preston · Nishi v. Hartwell · Lovas v. General Motors Corp.
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 55 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“The law will not allow a physician to substitute his own judgment, no matter how well founded, for that of his patient.”
1 later decision quote this exact passage · from the majoritye.g. Demers v. Gerety“limited to those disclosures which a reasonable practitioner would make under similar circumstances.”
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.