Patent attributes
A system, computer-readable storage medium, and computer-implemented method for improved document signing involving generating secure document copies of a document to be signed in response to receiving actions to perform on the document. In particular, a web service can transmit a document for signing to a plurality of client devices such that the document is viewable through a graphical user interface while the underlying content of the document remains non-editable. Responsive to receiving actions from different client devices, secure document copies of the document can be generated that include additional content form the different client devices.