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§ 90 - none Patent Cooperation Treaty
§ 90bis.4 Withdrawal of the Demand, or of Elections
(a) The applicant may withdraw the demand or any or all elections at any time prior to the expiration of 30 months from the priority date.
(b) Withdrawal shall be effective upon receipt of a notice addressed by the applicant to the International Bureau.
(c) If the notice of withdrawal is submitted by the applicant to the International Preliminary Examining Authority, that Authority shall mark the date of receipt on the notice and transmit it promptly to the International Bureau. The notice shall be considered to have been submitted to the International Bureau on the date marked.
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