where the patent application for the same invention is filed with two IP offices, the offices share the information of prior art relied upon during substantive examination and expedite the examination process as compared to normal requests for patent examination

Office of First Filing

Expedited Examination

Prior Art Documents

Office of Second Filing

Expedited Examination

CSP Status

KR·US

1st Pilot (15~17)

2nd Pilot (17~20)

KR·CN

Will be implemented on Jan 1, 2019(~Dec. 31, 2020)

US·JP

1st Pilot (15~17)

2nd Pilot (17~19)

International patent The Collaborative Search Program(CSP)

STRONG, FREE, EFFICIENT, CERTAIN, CONSISTENT, FAST