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A document
European patent application, published 18 months after filing with the EPO or 18 months after priority date
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A1 document
European patent application published with European search report
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A2 document
European patent application published without European search report (search report not available at the publication date)
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A3 document
Separate publication of the European search report
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A4 document
Supplementary search report
Corrected A document
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A8 document
Corrected title page of an A document, ie. A1 or A2 document.
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A9 document
Complete reprint of an A document, ie. A1, A2 or A3 document.
B document
European patent specification
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B1 document
European patent specification (granted patent)
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B2 document
New European patent specification (amended specification)
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B3 document
European patent specification (after limitation procedure)
Corrected B document
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B8 document
Corrected title page of a B document, ie. B1 or B2 document.
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B9 document
Complete reprint of a B document, ie. B1 or B2 document.
Publication date
Publication date of the original European patent document , ie. A1, A2, A3, B1, B2 or B3 document.
Issue date (of the correction)
Date of issue of the corrected version of a European patent document.
W1
Supplementary correction code indicating the first (1st) corrected version of a patent document
W2
Supplementary correction code indicating the second (2nd) corrected version of a patent document