Facebook Usernames and Trademarks

Most folks know that Facebook is allowing fanciful usernames starting at midnight on June 13, 2009.  If you have a registered trademark, you can submit that mark to Facebook to "reserve" your username for your company.  There is a very simple webform that requires the exact name of your trademark and the U.S. registration number.  I'm not certain what exactly Facebook does after the webform is submitted.  All I have received back so far is a canned email that says, "Thank you for your submission. If valid, we will process your request and contact you when reserved usernames are available for registration."  To be safe, you should register your user name too.