"Here they could have invalidated a junk patent and bankrupted the troll. Instea"
Has your company ever had a visit from a troll?
What did it do?
Kaspersky did enough to scare this troll off and make others think twice about going after them. They may dial it up a notch next time if the same company comes back.
They are not the "World Police" of patent trolls. Nor should they have to be.