NPR reporter Laura Sydell and This American Life producer/Planet Money co-host Alex Blumberg tell the story of Intellectual Ventures, which is accused of being the largest of the patent trolls. The investigation takes them to a small town in Texas, where they find a hallway full of empty companies with no employees. (29 minutes)
Laura and Alex continue their story about Intellectual Ventures and the practice of patent trolling. They learn why the buying and selling of patents is likely to continue being a huge, controversial business that affects the entire tech industry. (23 minutes)
Correction: The broadcast version of this story misidentified one of the winning bidders of Nortel's patents as Nokia instead of Ericsson.