> Is something like this enforceable? No, it's not, because 1) the user never agreed to the license, 2) a license by definition cannot cover unlicensed uses. U

> Is something like this enforceable? No, it's not, because 1) the user never agreed to the license, 2) a license by definition cannot cover unlicensed uses. Unlicensed uses are dealt with by statute, not by a licence agreement, so it would be up to a court to decide how much to reward you. Note that for 1) without a written agreement you can't specify additional license terms beyond the usual statutory rights. Licenses and contracts have very different requirements for what makes them valid, the bar is set much higher for licenses.