There was recently an episode of Planet Money about one instance of it: http://www.npr.org/sections/money/2016/06/10/481597112/episode-705-the-muscle-patents h

There was recently an episode of Planet Money about one instance of it: http://www.npr.org/sections/money/2016/06/10/481597112/episode-705-the-muscle-patents http://www.npr.org/sections/money/2016/06/10/481597112/episo...