Earlier quoted context omitted.
Issuing a license is a form of "using it" in a use it or lose it scenario. Those are not patent troll companies. Patent troll companies file patents and then sit on the patent until they can sue another party for infringement, and never make an attempt to commercialize their patent. Another example of not using it in the use it or lose it scenario is Pfizer's acquisition of Esperion Therapeutics in 2004. Esperion was…
> Patent troll companies file patents and then sit on the patent until they can sue another party for infringement Many of the patents asserted by trolls were not actually filed by the trolls. Most often the troll company simply purchased the patent from the original owner (or, often, a bankruptcy court) and then they proceed to go about suing others using their newly acquired weapon.
We really need a patent troll version of anti-SLAPP laws. To go past the shell company, and hit the people who run them.