What is a Demand in the context of the Patent Cooperation Treaty (PCT)?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 10 Rules 5 Related FAQs This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice. A Demand is a request for international preliminary examination under Chapter II of the Patent Cooperation Treaty (PCT). As stated in MPEP 1864 : “The use of the term ‘Demand’ distinguishes Chapter II from the ‘Request’ under Chapter I.” The Demand allows applicants to have their international application examined and potentially obtain a positive international preliminary examination report. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Demand for International Preliminary Examination After Filing PCT Application MPEP 1864 Demand for International Preliminary Examination Requires Proper Request MPEP 1864 Demand for International Preliminary Examination Constitutes Election of Contracting States MPEP 1864 Required Demand for International Preliminary Examination Required After Payment of Fees MPEP 1864 Required Demand for International Preliminary Examination Must Be Filed on Specific Form MPEP 1864 Recommended Demand Form for International Preliminary Examination Available Free of Charge MPEP 1864 Demand Forms Required for International Preliminary Examination MPEP 1864 Demand Allows Amendments to Application MPEP 1864 Preliminary Examination and Handling Fees Due Within Time Limit MPEP 1864 Required Request for International Application File Copies Must Include Publication and Designation of U.S. MPEP 110 Required Other Related FAQs 5 FAQs Collapse What are the benefits of filing a Demand under PCT Chapter II? What happens if PCT Article 34 amendments are not properly filed? Can additional Contracting States be elected after filing the initial demand for international preliminary examination? How are applicants indicated in a PCT demand for international pre...