What's to prevent Sun from taking control of E, or any other capability based software, using the following patents: PN/5,781,633 PN/5,852,666 PN/6,161,121 The ERTP seems to be covered by: PN/6,161,121 which issued on Dec 12, 2000. The listed inventors on these patents are all on this list. How do these patents affect your current work. Are you sure you are not developing a captive product? Tyler