A method and apparatus provide for the negotiation of the content of a document via an electronic exchange. In one example an electronic exchange operates as a repository of forms of contracts. A user can initiate a negotiation process by selecting a form contract and, if desired, customizing the contract...http://www.google.de/patents/US20020129056?utm_source=gb-gplus-sharePatent US20020129056 - Method and apparatus for electronic negotiation of document content