An applicant can submit the document directly to KIPO either via fax or by post mail as the following information:
KIPO's Fax number : 82-42-481-8578,
* You need to press 011 if dialing from the United States.
KIPO’s Mailing address :
International Application Division Korean Intellectual Property Office Government Complex-Daejeon,
189 Cheongsa-ro, Seo-gu, Daejeon 35208 Republic of Korea
Also, the applicant may submit/upload the PCT intermediate documents through the “ PCT ISA portal” system on KIPO English website, www.kipo.go.kr/en.
The service path is : www.kipo.go.kr/en => click “PCT ISA Portal” => click “ PCT Status”.
You may also use the following link :
https://www.patent.go.kr/jsp/kiponet/ma/infomodifypatent/PctStatusInfoInput.jsp .
Please enter your PCT application # and password on the ISA/202.
* In KIPO’s PCT ISA portal system, please kindly note that if it is your first time, you will need to run/install the executable program, i.e. “raonkSetup.exe” application on your computer to download/upload the documents. You might find any pop-up message for it on the bottom (or top) of the screen and click " run" or "save" when you see the message. Once you installed it, you will not need to do it again next time.