What is PCT Rule 61 and how does it relate to Demand notifications?
PCT Rule 61 is a regulation within the Patent Cooperation Treaty that governs the notification of the Demand for International Preliminary Examination. MPEP 1869 references this rule in the context of Demand notifications: “The International Preliminary Examining Authority, pursuant to PCT Rule 61, promptly notifies the International Bureau and the applicant of the filing of…
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