If
http://www.limewire.com/english/cont...pro_lookup.jsp doesn't work (interesting--the link to the if-you-forgot-fill-this-form didn't work in Safari) here's what I got from my last Pro receipt:
Business Information:
------------------------------
Business: Lime Wire LLC
Contact E-Mail:
customer@limewire.com
Contact Phone Number: 212-219-6042