South Korea is the common name for the Republic of Korea.
For information about South Korean law and legal research materials, see:
Business: Information on Korean companies is available in D&B reports, through SkyMinder and Dialog (File 592). See also the entries for "Company Information" and "Doing Business in Foreign Countries."
Intellectual Property: The EPO's Korea page provides information about Korean patents and tips on patent searching even if you do not know the language. See also Patents - Foreign, Trademarks and/or Copyrights.