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Comparative Study on Examination Practices among JPO, KIPO and SIPO

March 2017

Japan Patent Office
Examination Standards Office
Administrative Affairs Division

Joint Expert Group for Patent Examination (JEGPE) was established in 2009 in order to promote patent cooperation among the JPO, KIPO and SIPO. The trilateral offices conduct comparative studies on patent laws and examination guidelines and comparative case studies on chosen topics every year, so the users can deeply understand the examination standards on their practices and prepare high quality patent applications.

The JPO, KIPO and SIPO have conducted comparative studies on laws and examination guidelines concerning “Inventive step”, “Novelty”, “Requirements for Disclosure and Claims”, and “Amendments”, as well as comparative case studies and published reports on those studies. These reports are available on this website.

Today, we publish our new report titled “Summary of Comparative Studies and Case Studies”, and it is also available on this website (See below).

It is the hope of the trilateral offices that these reports will help you gain a better understanding on different views concerning examination practices at the trilateral offices.

Summary (published in March 2017)

The summary contains 5 sections: I. Inventive Step; II. Novelty; III. Disclosure and Claims; IV. Amendment; and V. Utility Model. Each section includes (1) Key Points, (2) Summary of Comparative Study and (3) Summary of Case Study (except Utility Model which includes Key Points only).

Comparative Study Report

The “Comparative Study Report” consists of a Comparison Outline that lists laws and examination guidelines at each Office under items on a table, and a Comparative Analysis that analyzes and discusses similarities and differences of laws and examination guidelines at each Office item by item among the Offices.

Comparative Study Report

Original Report in English

Japanese Translation (Provisional)
“Comparative Study Report
on Inventive Step (JPO-KIPO-SIPO)”
(published in December 2010)
(PDF:464KB)		 “Comparative Study Report
on Inventive Step (JPO-KIPO-SIPO)”
(published in January 2011)
(PDF:650KB)
“Comparative Study Report
on Novelty (JPO-KIPO-SIPO)”
(published in November 2012)
(PDF:730KB)		 “Comparative Study Report
on Novelty (JPO-KIPO-SIPO)”
(published in December 2012)
(PDF:635KB)
“Comparative Study Report
on Requirements for Disclosure
and Claims (JPO-KIPO-SIPO)”
(published in November 2013)
(PDF:1,042KB)		 “Comparative Study Report
on Requirements for Disclosure
and Claims (JPO-KIPO-SIPO)”
(published in November 2013)
(PDF:950KB)
“Comparative Study Report
on Amendment (JPO-KIPO-SIPO)”
(published in April 2015)
(PDF:753KB)		 “Comparative Study Report
on Amendment (JPO-KIPO-SIPO)”
(published in April 2015)
(PDF:1,202KB)

Comparative Case Study Report

In this study, each Office evaluated in common cases, and discussed based on their respective evaluation results. “Comparative Case Study Report” reflects the results of the evaluations.

Comparative Case Study Report
Original Report in English Japanese Translation (Provisional)
“Comparative Case Study
on Inventive Step”
(published in December 2011)
(PDF:664KB)		 “Comparative Case Study
on Inventive Step”
(published in December 2011)
(PDF:800KB)
“Comparative Case Study
on Novelty”
(published in November 2012)
(PDF:413KB)		 “Comparative Case Study
on Novelty”
(published in December 2012)
(PDF:540KB)
“Comparative Case Study
on Requirements for Disclosure
and Claims”
(published in April 2015)
(PDF:587KB)		 “Comparative Case Study
on Requirements for Disclosure
and Claims”
(published in April 2015)
(PDF:1,727KB)
“Comparative Case Study
on Amendment ”
(published in December 2015)
(PDF:577KB)		 “Comparative Case Study on Amendment”
(published in June 2016)
(PDF:932KB)

(For your reference)

The Trilateral Co-operation among the JPO, USPTO and EPO has already conducted such comparative studies and published the results (link to a Japanese page).

[Last updated 15 March 2017]

Contact Us

Examination Standards Office

Administrative Affairs Division

Patent and Design Examination Department

Japan Patent Office

Tel:+81-3-3581-1101 (ex. 3112)

Fax:+81-3-3597-7755

E-mail：PA2A10@jpo.go.jp

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