Ooh. I would have to agree with tptacek.
You need to just move on.
At this point the project isn't complete and is not even a business. To get a lawyer will cost money and you will be fighting over intellectual property.
I don't want to tell you not to consult an attorney but it will be a long drawn out process that will kill your creative spark and passion for the project anyways.
I was just talking with someone last night about how once money or vested interests is involved it is too late to sign agreements. It must be done first. Sorry this had to happen to you. I am sure you learned some valuable lessons that you can't learn in school.
I don't want to tell you not to consult an attorney but it will be a long drawn out process that will kill your creative spark and passion for the project anyways.
I was just talking with someone last night about how once money or vested interests is involved it is too late to sign agreements. It must be done first. Sorry this had to happen to you. I am sure you learned some valuable lessons that you can't learn in school.