[smsm42]

That is provided patent terms won't be extended - to promote even more Useful Arts. Because, you know, there's never enough Useful Arts, and if patents help promoting them - why not extend them for longer terms? Look what is happening to copyrights - once Public Domain advancement line hits Mickey Mouse, it stops dead. Why patents shouldn't work this way too? After all, people seem to be fine living with this broken system and writing this kind of patents and pay millions to lawyers to sue each other over such un-trivial questions as who invented linked lists and who invented delivery schedules.