Keep in mind it's the big companies here that set out these mines: https://patents.google.com/patent/US8019332B2/en application filed by LG Electronics Inc

Keep in mind it's the big companies here that set out these mines: https://patents.google.com/patent/US8019332B2/en application filed by LG Electronics Inc https://patents.google.com/patent/US8385284B2/en application filed by Panasonic Corp https://patents.google.com/patent/US8411557B2/en application filed by Panasonic Corp https://patents.google.com/patent/US9001774B2/en application filed by Samsung Electronics Co How a patent troll ended up with them, I don't know. But you can bet the only reason none of these big corps didn't use them against Apple or other big corporations is mutually assured destruction. They would not hesitate against a small company that's perceived as threatening which doesn't have a patent arsenal to fight back.