A method and system are provided for instantiating objects for participation in information sharing relationships. According to one technique, a copy of an object is made, where the copy includes all changes made prior to a particular point in time, and no changes made after the particular point in time....http://www.google.com/patents/US20040034669?utm_source=gb-gplus-sharePatent US20040034669 - Instantiation of objects for information-sharing relationships