Copyright law protects the expression not the idea.

Many writers worry about “idea theft,” using it as the reason they don’t tell people about their projects, won’t publicaly post their loglines, or won’t apply for contests and fellowships. But the fact is, copyright law only protects the expression of an idea, not the idea itself. Lots of films and television shows have similar concepts.

But what do you do if you believe your actual script or deck, or other materials were stolen? I recently received a call from a prospective client with that very concern. Read more here.