Historical results of Dangerous Dogs in Pennsylvania.
A dangerous dog is one that has:
(1) Inflicted severe injury on a human being without provocation on public or private property.
(2) Killed or inflicted severe injury on a domestic animal, dog or cat without provocation while off the owner’s property.
(3) Attacked a human being without provocation.
(4) Been used in the commission of a crime.
And the dog has either or both of the following:
(1) A history of attacking human beings and/or domestic animals, dogs or cats without provocation.
(2) A propensity to attack human beings and/or domestic animals, dogs or cats without provocation.
*A propensity to attack may be proven by a single incident.
PDF's for Chapter 27 and Pennsylvania Dog Laws are attached to the metadata