Guidelinesfor Examination PART A CHAPTER III EXAMINATION OF FORMAL REQUIREMENTS 13. Extension of European patent applications and patents to States not party to the EPC 13.3 Withdrawal of extension
The request for extension may be withdrawn at any time. It will be deemed withdrawn if the European patent application or the Euro-PCT application is finally refused, withdrawn or deemed withdrawn. A separate communication is not issued to the applicant. Validly paid extension fees are not refunded.