（1） Relevance between previous and subsequent applications: Same earliest possible

（2） The corresponding application has at least one claim that OEE considers to be authorized/patentable

Positive review opinions

• Conventional PPH

The corresponding application with one or more claims is considered patentable/authorizable

• PCT-PPH

The latest work results of the international phase corresponding to PCT applications, namely the written opinions of the International Searching Authority (WO/ISA), the International Preliminary Examination Authority (WO/IPEA), or the International Preliminary Examination Report (IPER), indicate that at least one claim has patentability/patentability (in terms of novelty, inventiveness, and industrial applicability)

（3） The claims of the OLE application fully correspond to the claims that are considered authorized/patentable by OEE

（4） Electronic application

（5） Request timing - CNIPA

Submit after the application is published

After entering the substantive examination stage or before requesting substantive examination at the same time as submitting the substantive examination request

The same application has a maximum of two opportunities to submit requests

（6） Request timing - IP5 PPH

KIPO: PPH requests can be made either before or after the review begins.

EPO, JPO, USPTO: PPH requests must be initiated prior to substantive examination

（7） PPH application review process

（1） What documents are required to submit a PPH application?

（2） Precautions for submitting PPH requests to INPI (Brazil)

（3） Precautions for submitting PPH requests to EPO

Request no fee from the majority of PPH bureaus (Korean bureaus need to charge fees)

（4） Precautions for submitting PPH requests to IP5

（5） How to make corresponding modifications to the application documents?

（6） Suggestions for PPH usage strategy

China Japan, China South Korea, and China US PPH vs. IP5 PPH

During the duration of each pilot project, priority will be given to applying more lenient eligibility conditions (IP5 PPH)

Internal and external linkage: enhance the effectiveness of PPH in accelerating review

Priority review of PPH

Cross project linkage: utilizing PPH to expand the scope of application for accelerated review

PPH GPPH (Global PPH)

PPH ASPEC (ASEAN Patent Examination Cooperation Project)

（7） How to obtain more PPH information

PPH column of China National Intellectual Property Administration

Chinese

http://www.cnipa.gov.cn/col/col46/index.html

English：

https://english.cnipa.gov.cn/col/col1351/index.html

PPH Global Portal Website (maintained by JPO)

https://www.jpo.go.jp/e/toppage/pph-portal/index.html