Invent Help
http://www.inventhelp.com/
I see ads for these people all the time (inventhelp), but it kinda depends on what kind of idea
WATCH OUT!!! There are problems with the US patent office being understaffed, and patents are getting processed slowly. This may lead to problems. Get help with your idea, and a pro to show you the ropes of patent law...
Invent help look it up
You have to apply for a patent first, so no one can steal your idea.
Tell it to me.
How do I get it out there?