These are the four patents at issue in the ligitation between RIM (the Canadian makers of the very popular Blackberry personal data devices) and NTP (the patent holder) that was apparently settled for over $1/2 billion in early 2006.

* U.S. Patent No. 6,085,192 titled, "System And Method For Securely Synchronizing Multiple Copies Of A Workspace Element In A Network"

* U.S. Patent No. 6,023,708, titled "System And Method For Using A Global Translator To Synchronize Workspace Elements Across A Network"

* U.S. Patent No. 6,708,221 titled, "System And Method For Globally And Securely Accessing Unified Information In A Computer Network"

* U.S. Patent No. 6,151,606 titled, "System And Method For Using A Workspace Data Manager To Access, Manipulate And Synchronize Network Data"