Probably trademark or trade dress infringement, but if there's art or literature, maybe copyright.

Don't pay any money for that "idea submission." It's not likely to go anywhere.

Are they enforceable if you sign them? They're written to be enforceable. Is dealing with an invention promoter a good idea? Make your own...

Good answers above. I'd also want to double check whether the scope of this representation falls under state regulation of talent agents or...

Maybe. You'll need personal jurisdiction and there sounds like there's more to it than a picture and an insult. Using a likeness for commercial...

Recorded music started with "piano rolls" and progressed through "records" to digital media and now streaming from music recorded on servers. ...

From your description it sounds like there may be substantial similarity, a copyright problem. Your reference to a "trademark style" is unclear...

By definition, if it's public it's not secret. You might want to carefully study all the terms of the NDA. While the name is "non-disclosure" and...

You will be unlikely to get a "clearance" for that on a public board like Avvo. You're balancing two fact intensive sides -- you can resell...

There can't be a contingency because there are no money damages to be recovered if you win. If the mark has value to you, retain a lawyer.