Groklaw has the story here, http://www.groklaw.net/article.php?story=20100430223358785 http://www.groklaw.net/article.php?story=20100430223358785 , with plenty

Groklaw has the story here, http://www.groklaw.net/article.php?story=20100430223358785 http://www.groklaw.net/article.php?story=20100430223358785 , with plenty of back-story links, including search for prior art. One of them says: The patent is for "user interface with multiple workspaces for sharing display system objects"