There's no content in the article about which four patents are at issue or what their significance is. There is a link near the start of the article to groklaw

There's no content in the article about which four patents are at issue or what their significance is. There is a link near the start of the article to groklaw's coverage of lodsys and their patents. http://www.groklaw.net/staticpages/index.php?page=2011061523371286 http://www.groklaw.net/staticpages/index.php?page=2011061523... They are also each referenced more than once in the text of the complaint.