In France, you cannot protect a business concept / process / idea. You can patent code, protect IP, logos, ... but not a concept. I'm no lawyer, of course, and any lawyer would find counter arguments. But all in all, you cannot.
For instance, this [http://mashable.com/2010/06/17/amazon-patents-social-network...] or maybe that [http://www.zdnet.com/news/facebook-wins-patent-for-location-...] would not be accepted. You would have to IP the code itself, the methods, the technology. And if someone did the same thing differently, you would not be able to attack or C&D them.
