The invention describes system and method for generation a derivative document from a patent document, which provide value, enhanced representation of the document and facilitate comprehension of information contained in the patent document. A segment of the patent document is selected and transformed into a value added form by extracting at least two portions of information from the selected segment and converting them into different forms. Conveniently, the converted forms include respective elements where the required correspondence is established between the elements. Depending on customer needs and requirements to the system, a customized selection of the elements can be provided with optional display, storage and/or delivery of the selected data over a network. Beneficially, generation of the derivative is performed by using distributed processing of the document in a network, where two or more computers are involved. Corresponding method of generation a database of the derivative documents is also provided.