Sun Oil Company v. Wortman’s Empirical Analysis
1988
Citation profile
132 federal appellate · 57 district · 171 state decisions
How this case has been cited
Cited by 561 later decisions (34 by the Supreme Court) — most recently November 2025 · most notably Rita v. United States (2007), MARKMAN Et Al. v. WESTVIEW INSTRUMENTS, INC., Et Al. (1996)
132 federal appellate · 57 district · 171 state decisions — followed in 26 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 Erie Co v. Tompkins · Northern Pipeline Construction Co. v. Marathon Pipe Line Co. · United States v. Nixon · Hanna v. Plumer · Guaranty Trust Co. v. York
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 561 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“[e]xcept at the extremes, the terms 'substance' and 'procedure' precisely describe very little except a dichotomy, and what they mean in a particular context is largely determined by the purposes for which the dichotomy is drawn”
11 later decisions quote this exact passage · from the majority“To constitute a violation of the Full Faith and Credit Clause or the Due Process Clause, it is not enough that a state court misconstrue the law of another State. Rather, our cases make plain that the misconstruction must contradict law of the other State that is clearly established and that has been brought to the court’s attention.”
4 later decisions quote this exact passage · from the majority“[T]he Constitution does not bar application of the forum State's statute of limitations to claims that in their substance are and must be governed by the law of a different State.”
4 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.