The Court of Common Pleas of Allegheny County (Fifth Judicial District) consists of the following divisions:. Pro se personnel are available to meet with applicants to answer patentrelated questions and assist in filing their applications.(a) (1) Except as noted in the subsections below, use of the Allegheny County. A stepbystep overview of a patent application and maintenance process. The five stages of a patent process. These forms will be useful when filing required documents related to estates of deceased or incapacitated persons. Five different types of Utility Patents in Allegheny County. Under the utility patent process, a special type of application known as a provisional patent application is allowed.