351 Pa. Super. 264 - Burnside v. Abbott Laboratories’s Empirical Analysis
1985
Citation profile
14 federal appellate · 4 district · 145 state decisions
How this case has been cited
Cited by 277 later decisions — most recently December 2025 · most notably Robertson H/w H/w H/w H/w H/w H/w H/w H/w H/w H/w H/w H/w H/w H/w v. Allied Signal Inc (1990), Cochran v. GAF Corp. (1995)
14 federal appellate · 4 district · 145 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 Hannahville Indian Community v. United States · Thompson Coal Co. v. Pike Coal Co. · 26 Cal. 3d 588 - Sindell v. Abbott Laboratories · Hamil v. Bashline · Pocono International Raceway, Inc. v. Pocono Produce, Inc.
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 277 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“§ 876. Persons Acting in Concert For harm resulting to a third person from the tortious conduct of another, one is subject to liability if he (a) does a tortious act in concert with the other or pursuant to a common design with him, or (b) knows that the other’s conduct constitutes a breach of duty and gives substantial assistance or encouragement to the other so to conduct himself, or (c) gives substantial assistance to the other in accomplishing a tortious result and his own conduct, separately considered, constitutes a breach of duty to the third person.”
5 later decisions quote this exact passage“(1) the injury-causing product was manufactured by one of a small number of defendants in an industry; (2) the defendants had joint knowledge of the risks inherent in the product and possessed a joint capacity to reduce those risks; and (3) each of them failed to take steps to reduce the risk but, rather, delegated this responsibility to a trade association.”
4 later decisions quote this exact passage“[a] civil conspiracy cause of action requires that two or more persons combine or enter an agreement to commit an unlawful act or to do an otherwise lawful act by unlawful means.”
4 later decisions quote this exact passage
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.