EA Sports will announce the FIFA 12 demo release date at Gamescom.
The publisher revealed its hand via Twitter where it said, well, exactly that:
"When will we announce the demo date for #FIFA12? At #Gamescom - next week!"
You can forget all about FIFA 12 anyway, that's so this year.
Lead producer David Rutter has already been throwing out information about FIFA 13. Go and have a read if you haven't already.