Asia Patent Alliance

Asian Patent System

The patent system in Japan, China, and Korea can be extremely confusing at times. For your convenience, the APA provides a monthly lesson regarding any detailed procedures you may encounter while filing your patent. Click on any of the articles below to learn more about complex filing procedures.

Overview of the Japanese, Korean and Chinese patent system

With this power point presentation we would like to introduce and compare the Japanese, Chinese and Korean Patent System in a comprehensive way based on the monthly one-point-lessons. We will add new information every month and update the content of the presentation in case of law revisions.

(Slide share)    (PDF Version)  June 13, 2012



Making Use of the Divisional Application System After Assessment October 28, 2010

Filing Divisional Applications Prior to Service of a Decision of Final Rejection  December 17, 2010

Approval of Patent Term Extension, even when the Same Active Ingredient of the Drug was Previously Accepted June 6, 2011

Regarding Unity of the Invention  November 28, 2011

Parameter Inventions November 30, 2012

Parameter Inventions - Requirements for claims and description January 28, 2013

Examples for the requirements for unity of the invention October 25, 2013


How Foreign Public Knowledge in the Art is Handled in China January 30, 2012

Handling Expansion of Secret Prior Art in China February 27, 2012
About requesting re-examination in China January 14, 2014



Appeal trial in Korea February 27,2014

Japan, China, Korea

System for Extension of Patent Term Duration*  January 28, 2011

An Outline of PCT National Phase Entry and Substantive Examination  June 29, 2011

An Outline of Registration and Maintenance Fees July 20, 2011

The Risks of Patent Specification Translation Errors and Ways of Prevention October 3, 2011

About the conversion of applications in Japan, China and Korea March 30, 2012

Application documents for filing a design patent in Japan, China and Korea April 28, 2012

Filing of similar multiple design patents in Asia May 26, 2012

Handling Inventions based on Second Medical Use 1  June 15, 2012

Handling Inventions based on Second Medical Use 2  July 30, 2012

About the time frame for filing responses to office actions  August 29, 2012

A method to reduce cost for patent annuities September 28, 2012

Product by process claims October 26, 2012

Parameter Inventions - Requirements in China and Korea March 29, 2013

Jointly-owned applications in Japan, China and Korea April 26, 2013

Licensing of jointly-owned patents in Japan, China and Korea June 26, 2013

Protection of screen designs in Japan, China and Korea March 28, 2014

*also contains information about India


Japan and Korea

Extension of Patent Term for Pharmaceutical Inventions in Japan and Korea March 11, 2011