Systems and methods are disclosed to develop a patent document by generating a user manipulable claim data structure for a claim relationship between at least a descendant and a parent claims; and utilizing an interactive graphical user interface so that when a user selects a claim, a graphical representation of the claim relationship is diagrammed, wherein the interactive graphical user interface allows moving a claim using drag and drop selection and automatically renumbering the claims to show new claim relationship; and wherein the interactive graphical user interface shows one or more elements recited in each claim in respective one or more text boxes for editing and for drag and drop movement of the one or more text boxes to indicate claim element arrangement and relationship to another element in the claim.