A few things: 1. Don't be too worried about protecting your idea unless it is magical secret sauce. 2. Don't expect an NDA to protect your idea. If it is ind

A few things: 1. Don't be too worried about protecting your idea unless it is magical secret sauce. 2. Don't expect an NDA to protect your idea. If it is indeed magic sauce, find a way to keep it secret. 3. Most NDA's are pretty much the same. Find a few and compare them. Any weirdness will stand out. 4. This is a good opportunity to shop for a lawyer. You will eventually need one, so why not get to know one when the bill is going to be small? Don't automatically go to the big firms - ask around. 5. The bigger problem you'll soon run into is working out the IP in a way that makes the design firm happy. You will want to own everything. They will want to not cut themselves off from future business. Lawyers are helpful here, as it's a subtle thing.