Patent trolls are companies that purchase patents for the sole purpose of threatening businesses with infringement claims. Usually these patents are general and or vague, and they often target technology. POS systems, smartphone apps, and digital menus could be vulnerable to attack.
A coalition called United for Patent Reform, formed by the National Retail Federation, is fighting to enact legislation to stop the patent trolls from harassing businesses. Legal costs when battling patent trolls can be very high.
Read the full article here: Why operators need to know about patent trolls