Because I would, therefore, affirm the Orders of the Court of Common Pleas of. Allegheny County (common pleas), I must, respectfully, dissent.These forms will be useful when filing required documents related to estates of deceased or incapacitated persons. The Guide explains what you should know when applying to rent, living in a rented property, and dealing with the end of a lease. If you do need to file probate, the county's website has the forms you'll need to complete.