I highly doubt that, I used to sell software on Envato marketplaces (ThemeForest/CodeCanyon) and even Envato can't do much as you are still the copyright holder

I highly doubt that, I used to sell software on Envato marketplaces (ThemeForest/CodeCanyon) and even Envato can't do much as you are still the copyright holder, unless you give away all your rights to the seller.