Patent Trolls Cost the Economy $29 Billion in 2011
Troll lure, Patent D378308 by Douglas R. Roe et al.... ...D378308 by Douglas R. Roe et al. Patents are supposed to protect inventors from having the... ...m being stolen by others, but recently, patents are increasingly...
https://www.neatorama.com/2012/07/02/patent-trolls-cost-the-economy-29-billion-in-2011/
