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德国华孙专利律师和律师事务所，2012年10月29日，德国慕尼黑

问：欧洲专利申请和欧洲专利的文档种类代码的含义？

答：欧洲专利申请和欧洲专利的文档种类代码的含义如下：

欧洲专利申请的文档种类代码：
A1
European patent application published with European search report
A2
European patent application published without European search report (search report not available at publication date)
A3
Separate publication of European search report
A4
Supplementary search report
A8
Corrected title page of A document, ie. A1 or A2 document
A9
Complete reprint of A document, ie. A1, A2 or A3 document.

欧洲专利的文档种类代码：
B1
European patent specification (granted patent)
B2
New European patent specification (amended specification after opposition procedure)
B3
European patent specification (after limitation procedure)
B8
Corrected title page of B document (i.e. B1 or B2 document)
B9
Complete reprint of B document (i.e. B1 or B2 document)

另外，还有PCT专利申请的文档种类代码：
A1
International application published with international search report
A2
International application published without international search report or (from 1 January 2009 onwards) international application published with declaration under Article 17(2)(a)
A3
Later publication of ISR with revised front page
A4
(from 1 January 2009 onwards) Later publication of amended claims and/or statement (Art.19)
In addition to documents having the "standard" kind codes A, B, C 

详情请见：http://ep.espacenet.com/help?topic=kindcodes&method=handleHelpTopic&locale=en_ep