To provide an intellectual property document management system for efficiently preparing, transmitting and managing the various kinds of documents for matters regarding intellectual property.

In this intellectual property document management system 1, the envelope data of the respective matters and plural format data are stored beforehand. When preparing a notification document, a document preparation matter to prepare the notification document and the format data for the document suited to the preparation of the notification document are prepared, the envelope data of the document preparation matter and the format data for the document are read and then, notification document data are prepared by adding the bibliographic items or the like of the document preparation matter to the format data for the document. Then, the prepared notification document data are transmitted to a terminal usable by the person concerned read from the list of the persons concerned.