The Unified Judicial System of Pennsylvania has five different levels to its courts.
Visit the state's official website to learn more about how the judicial system is structured.
Westlaw gives you the ability to limit your search to Pennsylvania court cases in general or to a specific level of the courts.
The official website for the Unified Judicial System of Pennsylvania can help you decide whether your search would benefit from limiting your results to those from the trial courts, either of the appellate courts, or the Supreme Court.
The Unified Judicial System of Pennsylvania's opinions and postings are freely available through its official website.
Make sure you you set the "Court Type" to the level you actually want to search.