Collaborative Search Program(CSP)

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OverviewGo to CSP Website

If the same inventions are filed in Korea and the U.S., respectively, examiners in both countries may share information of prior art and use it on request of the applicant.

Prior Art Documents3

Effect

To improve quality of examinations and promote consistent outcomes by sharing information of prior art.
To acquire patents faster in both countries though rapid examination.

KIPO-USPTO CSP (Sep. 1. 2015~)korea flag usa flag
Application period

The third CSP pilot will be implemeted for 2 years from Nov.1.2020 to Oct.31.2022 If more than 400 requests are filed annually, the requests could be limited.

* The first pilot period : Sep.1.2015 ~ Aug.31.2017 (2 consecutive years)
** The second pilot period : Nov.1.2017 ~ Oct.31.2020 (3 consecutive years)

Requirements for CSP request
  • 1. The earliest priority date of the applications filled in KIPO and the USPTO is the same
  • 2. The examination request is made before or at the same time as the CSP request is being filed
  • 3. The CSP request is filed before the first office action is issued
  • 4. The CSP request is filed based on a single application
  • 5. Corresponding independent claims of the requests filed in KIPO and the USPTO are identical
  • 6. The earliest priority date is March 16, 2013 or later
  • 7. The number of claims is 20 or less, and among them, independent claims are 3 or less
  • 8. The claim referring to 2 or more claims is excluded (USPTO Requirement)
  • 9. The requirement for unity of invention is met
Process of CSP

The program is processed (request of CSP, sharing search report of prior art, etc.) through accelerated examination at KIPO or interview before OA at the USPTO, as follows.

Examination Flow(1) for CoBoA Pilot Program


Request documents
  • KIPO-USPTO CSP request form : Download
  • Description of expedited examination request: Download

For request of expedited examination, please fill out three documents, including KIPO-USPTO CSP request form, expedited examination request form, and description of expedited examination request, and then request the CSP.

For request of examination, please fill out only KIPO-USPTO CSP request form, and then request the CSP.

For request of expedited examination, please fill out three documents, including KIPO-USPTO CSP request form, expedited examination request form, and description of expedited examination request, and then request the CSP.

For request of examination, please fill out only KIPO-USPTO CSP request form, and then request the CSP.

Process of request for CSP to the USPTO.

For details of the process of request, please visit the website,
http://www.uspto.gov/patents-getting-started/international-protection/collaborative-search-pilot-program-csp

KIPO-CNIPA CSP (Jan. 1. 2019 ~)korea flag china flag
Application period

Time period for the request: The KIPO-CNIPA CSP will be implemented for 2 years from Jan. 1, 2019 to Dec. 31, 2020. If more than 400 requests are filed for 2 years, the requests could be limited.

* A Notice of Temporary Suspension of KIPO-CNIPA CSP Pilot Program
The KIPO-CNIPA CSP pilot program is going to be temporarily suspended after December 31, 2020. As soon as the program is restarted, it will be announced again.

Requirements for CSP request
  • 1. The earliest priority date of the applications filled in KIPO and the CNIPA is the same.(The patent application in KIPO and the CNIPA must have the same priority date under the Paris Route, or one application was taken as the basis for claiming foreign priority of the other application under the Paris Route.)
  • 2. The examination request is made before or at the same time as the CSP request is being filed
  • 3. The CSP request is filed before the first office action is issued
  • 4. The CSP request is filed based on a single application
  • 5. Corresponding claims of the requests filed in KIPO and the CNIPA are identical
  • 6. Applicants in KIPO and the CNIPA are identical.

* If the number of request of CSP is over 400 for 2 years (200 CSP petitions for Korean applicants and Chinese applicants, respectively) totally, it is possible to limit the request.

Process of CS

(Overall procedure) 'CSP request, requirements for CSP request, sharing of prior art between the offices' are added to the normal examination route of both the offices
(Sharing between the offices) 'The fact of CSP request, evaluation of compliance with requirements for CSP request(provisional decision, request for supplement, final decision), prior art information' shared between the offices

Application Form

Required documents for CSP request: A CSP request form* where the applicant, the application number and the earliest priority date are described is transmitted to both offices within 15 days from the date of filing a CSP request to any one of the offices, and the China application and a claim correspondence table should be enclosed.

* KR-CN CSP Request Form Download / Needed when filing a request of CSP to the CNIPA

  • Last updated 08 February 2021
  • Patent System Administration Division