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The European Patent Convention

 
 

Rule 155
Filing and transmission of the request for conversion

(1)
The request for conversion referred to in Article 135, paragraph 1(a) or (b), shall be filed within three months of the withdrawal of the European patent application, or of the communication that the application is deemed to be withdrawn, or of the decision refusing the application or revoking the European patent. The effect of the European patent application under Article 66 shall lapse if the request is not filed in due time.
(2)
When transmitting the request for conversion to the central industrial property offices of the Contracting States specified in the request, the central industrial property office concerned or the European Patent Office shall attach to the request a copy of the file relating to the European patent application or European patent. 
Article 135, paragraph 4, shall apply if the request for conversion referred to in Article 135, paragraphs 1(a) and (2), is not transmitted before the expiry of a period of twenty months from the date of filing or, if priority has been claimed, the date of priority.
 
English version amended by decision of the Administrative Council (CA/D 4/08) of 21.10.2008 (OJ EPO 2008, 513), entered into force on 01.04.2009.
References

Art. 137, 140
R. 112, 156

 
Version history +
13.12.2007 - 31.03.2009 
Decision of the Administrative Council of 07.12.2006 (CA/D 10/06), (OJ EPO 2007, 8 and Special edition 1/2007)
01.04.2009 -  
CA/D 4/08 (OJ EPO 2008, 513)
 
Cross-reference list
EPC EPC 1973
R. 155Art. 135(2); Art. 136(1), (2)