When can an applicant file a Demand for international preliminary examination?
An applicant can file a Demand for international preliminary examination after filing an international application under Chapter I of the PCT. According to MPEP 1864: “Once applicant has filed an international application under Chapter I of the PCT, applicant has the right to file a demand for preliminary examination under Chapter II of the Treaty.”…
Read MoreWhat are the deadlines for national stage entry in PCT applications?
The deadlines for entering the national stage in PCT applications can vary depending on whether the application is proceeding under Chapter I or Chapter II of the PCT. MPEP 1842 provides the following information: National Stage Entry Following PCT Chapter I “PCT Article 22(1) was amended, effective April 1, 2002, to specify that the national…
Read MoreHow does a PCT Demand differ from a PCT Request?
The PCT Demand and PCT Request are distinct processes within the Patent Cooperation Treaty. According to MPEP 1864: “The use of the term ‘Demand’ distinguishes Chapter II from the ‘Request’ under Chapter I.” Key differences include: A Request is filed under Chapter I and initiates the international application process A Demand is filed under Chapter…
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