Structures cannot be placed within a Patent Easement. Any structure placed in a Patent Easement may be subject to removal or destruction without compensation.Download and complete the Patent Easement Abandonment Application (PDF). Note: You must be the current owner of the property to file an Abandonment Application. To submit it, you must enter your name and address (if you have one), and sign the form. This tutorial will guide you through the process of using various Maricopa County parameter estimation tools. A patent foramen ovale (PFO) is a hole in the heart that should have closed after birth. Maricopa Consolidated DWID provides Field Operations and Office Admin. Management Services for the following District: Papago Butte DWID. Patent Center is available to all users for electronic filing and management of patent applications.