Pennsylvania Railroad v. Rychlik’s Empirical Analysis
1956
Citation profile
434
cited by 434 later decisions
6
cited 6 times by the Supreme Court
19
states following
January 2013
most recently cited
253 federal appellate · 25 district · 34 state decisions
How this case has been cited
Cited by 434 later decisions (6 by the Supreme Court) — most recently January 2013 · most notably Mallory v. United States (1957), Sanabria v. United States (1978)
253 federal appellate · 25 district · 34 state decisions — followed in 19 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 Union Oil Co. v. California
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.