Looks like they kinda do, or did, briefly...
https://www.google.co.uk/search?sourceid=chrome&client=ubuntu&channel=cs&ie=UTF-8&q=virginware
They don't now, looks like it wasn't a go-er, so they gave up. I have no idea if that means they can still assert prior art in that industry in law or not.
(, Tue 17 Jul 2012, 10:54, Reply)