Ronzani v. Sanofi S.A.’s Empirical Analysis
899 F.2d 195 · 1990
Citation profile
19 federal appellate · 2 district ·
How this case has been cited
Cited by 101 later decisions — most recently February 2025 · most notably Cortec Industries, Inc. v. Sum Holding L.P. (1991), Hayden v. County of Nassau (1999)
19 federal appellate · 2 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
Applies 15 U.S.C. § 77Q (§ 17 of the Securities Act of 1933) · 15 U.S.C. § 78J (§ 10 of the Securities Exchange Act of 1934)
Relies on Foman v. Davis · Blue Chip Stamps v. Manor Drug Stores · Aaron v. Securities & Exchange Commission · Jos. Schlitz Brewing Co. v. Smith · Luce v. Edelstein
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 101 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“leave [to amend] shall be freely given when justice so requires.”
4 later decisions quote this exact passage · from the concurrence“[w]hen a motion to dismiss is granted, 'the usual practice is to grant leave to amend the complaint.' ... Although the decision whether to grant leave to amend is within the discretion of the district court, refusal to grant leave must be based on a valid ground.”
3 later decisions quote this exact passage · from the concurrence“[w]hen a motion to dismiss is granted, `the usual practice is to grant leave to amend the complaint.'”
3 later decisions quote this exact passage · from the concurrence
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.