https://www.epo.org/de/node/446734
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
CNIPA - Retrieving Chinese documents
CNIPA - Monitoring Chinese publications by IPC classes
English machine translation
PSS - Retrieving a machine translation (English interface)
Legal status information
ACPAA - Locating Chinese patent agencies using agency codes
CNIPA - Legal status search in Chinese
CNIPA - Online file inspection in the CPQUERY database
CNIPA - Searching re-examination and invalidation decisions
CNIPA - Retrieving online gazette issues
PSS - Retrieving citation information (English interface)
Searching trademarks and designs
CNIPA - Searching Chinese trade marks