Download and complete the Patent Easement Abandonment Application (PDF). Note: You must be the current owner of the property to file an Abandonment Application.This page provides information on the types of patents and types of patent applications, and the examination process. The Maricopa County Attorney's Office is firmly committed to honoring and respecting the rights of crime victims. Patent Center is available to all users for electronic filing and management of patent applications. Finding Historical Patents. Development Services provides the City Council and community with creative guidance and effective implementation of land use development.