http://www.european-patent-office.org/correct/basedef.htm
A1 Publ. of Application with search report|
A2 Publ. of Application without search report
A3 Publ. of search report
A4 Supplementary search report
A8 Corrected title page of an EP-a Document
A9 Complete reprint of an EP-a Document
B1 Patent
B2 Patent after modification
B8 Corrected front page of an EP-B Document
B9 Complete reprint of an EP-B Document