The question is how, and at what extent. In this post I start an investigation about SIPO patents that will last for some weeks.
The EPO’s co-operation with the State Intellectual Property Office of the People’s Republic of China (SIPO) is based on an agreement signed on 11 June 1985. An EPO-SIPO Joint Committee meets once a year to review relations and approve the following year’s program of activities. The co-operation was significantly enhanced in 1997 when EPOQUE ( an international search database for patents) was made available to SIPO.
The overall objective is to facilitate trade between China and Europe by supporting China’s efforts to develop a modern and effective system for IPR protection. EPO aims to improve the quality of SIPO work as the Chinese patent system expands.
To ensure equal quality standards of granted patents , the majority of the SIPO's 2,000+ patent examiners have been trained by the EPO. An additional 60 examiners per year receive training at EPO centres in The Hague, Munich and Vienna.
EPO and the SIPO share patent databases with synchronization at weekly intervals. The SIPO has also recently opened its 32 000-entry database on traditional Chinese medicine to the EPO and its member states.
Here is a selection of the most relevant INPADOC-Newsletters referring to Chinese patent data, kind codes and number formats used in the INPADOC database (the links below are pointing to PDF files):
Newsflash 2005/16: Completion of Load of Backlogged Chinese Data (PDF) Inpadoc Patent Gazette Newsletter 01/05 (PDF)
Inpadoc Patent Gazette Newsletter 02/04 (PDF)
Newsflash 2005/05: New CN Application number format and updates of Chinese bibliographic data (PDF)
Newsflash 2005/02: Change in kind codes of Chinese documents (PDF)
IPG-Newsletter 99/10: Translation of PCT application into Chinese language (PDF)
Newsflash 2005/25: Chinese application numbers (continued) (PDF)
Newsflash 2006/14: Reload of Chinese A, C and Y documents intended for the inclusion of Chinese language elements (PDF)
Newsflash 2004/17: Legal Status Data from Hong Kong (PDF)
Patent Information Supplement 09/2009
Newsflash 11/2009: Chinese legal status data in the EPO INPADOC database
Newsflash 11a/2009: Chinese legal status data in the EPO INPADOC database (update)
IPG-Newsletter 3/2005
Also EPO FAQ about china patents may be useful
The data upload commenced in week 18/2009; the collection should include over 6.7 million records and cover all Chinese legal status events for patent and utility model applications in China dating back to October 1985.
You can obtain legal status information in English via the Chinese Patent Office's (SIPO) databases on the China Intellectual Property Net . All the above-mentioned sources there is a time delay of several months for legal status information in English.
data from SIPO: Annual Applications for Patents
| Year | Total |
| 1999 | 134239 |
| 2000 | 170682 |
| 2001 | 203573 |
| 2002 | 252631 |
| 2003 | 308487 |
| 2004 | 353807 |
| 2005 | 476264 |
| 2006 | 573178 |
in forthcoming posts we're going to analise the coverage in PATSTAT against such figures
References
EPO international relation： http://www.epo.org/about-us/office/international-relations/projects/china.html
EPO and SIPO move ahead to secure IPR: http://www.epo.org/topics/news/2008/20080606.html
Patent Information News 2/2009: http://www.epo.org/about-us/publications/patent-information/news/2009.html
Thanks for help in collecting the information to Kun Fu
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