Depends on one's definition. I don't think "not having a real product/service" is the defining charateristic of "patent troll". Here's what Wikipedia says. > a

Depends on one's definition. I don't think "not having a real product/service" is the defining charateristic of "patent troll". Here's what Wikipedia says. > attempts to enforce patent rights against accused infringers far beyond the patent's actual value or contribution to the prior art > often do not manufacture products or supply services based upon the patents in question