US Patent 7698628 Method and system to persist state

A system, to persist state in a dynamic electronic form, may include a communications module to receive a request to load an electronic form, a merge module to merge a template associated with the electronic form and data values associated with the electronic form, a delta extractor to access delta data associated with the electronic form, and an overlay module to overlay the delta data onto the electronic form. The delta data, in an example embodiment, includes attributes and properties associated with the electronic form that are being designated to persist between editing sessions of the electronic form.