Please read the FAQs. Thanks.
Most questions are about IP law, using somebody else's IP, protecting your own IP...
Or about the legal aspects of forming a company or a team.
It's all discussed in the FAQs.
For those who might be unable to see the Getting Started section of the forum, here's a direct link to the FAQ: http://www.gamedev.net/index.php?app=forums&module=forums§ion=rules&f=5
: Added "IMPORTANT" prefix