As @sharemywin stated, I would put it on the resume as consultant. Highlight the products you built and find someone that can attest positively for that. Then j

As @sharemywin stated, I would put it on the resume as consultant. Highlight the products you built and find someone that can attest positively for that. Then just move on. Even though the company may have been bankrupt and not had the cash to pay, the bigger win for you in a lawsuit would have been a NDA and agreement to not disparage each other. You could have sued for just enough to cover the minimum contingency with all funds going to lawyer for the protection of having your name intact. Depending on your funds, you may speak to an attorney again to make sure there is not a defamation or libel case going on. A simple letter from an attorney may be enough to scare him into not speaking further about you.