Patents for Digital Out-of-Home Advertising Soar

DAEJEON, Dec. 26 (Korea Bizwire) – Patents for outdoor advertising making use of digital technology are becoming extremely popular. According to the Korea Intellectual Property Office, the average annual number of such patents, which stood at less than 50 prior to the 2000s, rose to some 300 from 2001 to 2010, and to 600 since [...]