This revised version of the Guidelines for Examination will apply as from 1 November 2015. Until then, the September 2014 edition of the Guidelines remains valid.

2.3 Limitation of the option to withdraw the European patent application

As from the time when a third party proves to the EPO that he has initiated proceedings concerning entitlement (see A‑IV, 2.2) and up to the date on which the EPO resumes the proceedings for grant (see A‑IV, 2.2.5), neither the European patent application nor the designation of any Contracting State may be withdrawn.

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