TNR Gold vs McEwen Mining: SEC 10-K: "The Los Azules copper project...we may lose all or part of our interest"

We have the very interesting development in litigation case for Los Azules: TNR Gold vs McEwen Mining and Xstrata. McEwen Mining was very modest in litigation risk assessment before, so you can imagine our surprise - and, must be, that other shareholders involved have the same feelings - by the recent statement:
McEwen Mining Inc. (MUX) 10-K filed...