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The European Patent Convention

 
 

Rule 50[ 55 ]
Documents filed subsequently

(1)
Rules 42, 43 and 46 to 49 shall apply to documents replacing documents making up the European patent application. Rule 49, paragraphs 2 to 12, shall also apply to the translation of the claims referred to in Rule 71.
(2)
All documents other than those making up the application shall generally be typewritten or printed. There shall be a margin of about 2.5 cm on the left-hand side of each page. 
(3)
Documents filed after filing the application shall be signed, with the exception of annexed documents. If a document has not been signed, the European Patent Office shall invite the party concerned to do so within a time limit to be specified. If signed in due time, the document shall retain its original date of receipt; otherwise it shall be deemed not to have been filed. 
 
See decision of the President of the EPO, Special edition No. 3, OJ EPO 2007, A.3; see notice from the EPO, OJ EPO 2013, 603.
 
See decision of the Enlarged Board of Appeal G 3/99 (Annex I).
References

Art. 78
R. 1, 2

 
Cross-reference list
EPC EPC 1973
R. 50R. 36