body: Say that I read on the internet a funny story with a punch line at the end saying: "Don't buy it if the experts publish studies about it."
  
  
  I liked it and I drew a comic on a bit different topic including the same phrase. What if I were about to sell it?
  
  
  Would it be possible to succesfully sue me in the USA?
  
  
  
title: Is joke an intellectual property?