European patent - Limitation on withdrawals

According to Rule 15 of the European Patent Convention (EPC) Implementing Regulations,


From the date on which a third party provides evidence that he has instituted national proceedings under Rule 14, paragraph 1 of the EPC Implementing Regulations (regulating Stay of proceedings), and up to the date on which the proceedings for grant are resumed, neither the European patent application nor the designation of any EPC Contracting State may be withdrawn.


Prepared by European Patent Registration and Consulting Services