"Patent Troll: a company that obtains the rights to one or more patents in order to profit by means of licensing or litigation, rather than by producing its own

"Patent Troll: a company that obtains the rights to one or more patents in order to profit by means of licensing or litigation, rather than by producing its own goods or services." While distasteful, this isn't patent trolling and it's not at all clear why you assert IBM is on its last legs.