http://www.epo.org/searching-for-patents/helpful-resources/asian/china/search.html
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Searching in databases – China
Tips & tricks for searching in databases
Easy, step-by-step instructions on how to use Chinese search interfaces without knowledge of Chinese. Click on the links below to download the respective search guides.
Number search and document retrieval
- SIPO – Retrieving Chinese documents (PDF, 830 KB)
- PSS – Retrieving Chinese documents (English interface) (PDF, 1.6 MB)
- SIPO – Monitoring Chinese publications by IPC classes (PDF, 892 KB)
English machine translation
- PSS – Retrieving a machine translation (English interface) (PDF, 1.5 MB)
Legal status information
- SIPO – Legal status search in Chinese (PDF, 930 KB)
- SIPO – Retrieving information on fee payment in English (PDF, 1.68 MB)
- SIPO – Online file inspection in English (PDF, 2.6 MB)
- SIPO – Searching re-examination and invalidation decisions (PDF, 450 KB)
- NEW: SIPO – Retrieving online gazette issues (PDF, 737 KB)
- PSS – Retrieving citation information (English interface) (PDF, 1.17 MB)
Searching trade marks and designs
- CTMO – Searching Chinese trade marks
(PDF, 751 KB) - SIPO – Searching Chinese designs using classification (PDF, 889 KB)