The invention relates generally to copying electronic data. More particularly, the invention provides a computerized method for identifying, in a first backup data set, a data item satisfying a selection criterion, and copying to a second backup data set at least a portion of the data item. ...http://www.google.co.uk/patents/US20070022145?utm_source=gb-gplus-sharePatent US20070022145 - Selective data replication system and method