
Patent Cooperation Treaty (PCT) - WIPO - World Intellectual …
Demand for International Preliminary Examination (1) On the demand of the applicant, his international application shall be the subject of an international preliminary examination as …
1864-The Demand and Preparation for Filing of Demand
2024年10月30日 · 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 …
A demand (for international preliminary examination) may only be fi led by an applicant who is a national or resident of a PCT Contracting State which is bound by Chapter II of the PCT; …
PCT Applications - Chapter II Demand - Mewburn
Filing a Demand (“a Demand for further International Preliminary Examination (IPE) under Chapter II of the Patent Cooperation Treaty (PCT)”) involves filing certain forms and paying …
What are the PCT deadlines for a Chapter II Demand and Article …
A Chapter II Demand must be filed within 3 months from the transmittal date of the ISR and WO, or 22 months from the priority date, whichever is later. The Chapter II Demand is conducted by …
PCT申请国际阶段的修改——19条和34条修改 - 知乎专栏
随着我国市场经济的发展,越来越多的企业意识到在多个国家寻求专利保护的重要性;于是,我国企业通过 PCT 途径提交的专利申请量逐年增加,而许多有关PCT申请的问题也接踵而来。 其 …
1. Filing of the demand - European Patent Office
The demand for international preliminary examination must be made using the prescribed form (PCT/IPEA/401). A demand for preliminary examination selecting the EPO as IPEA must be …
PCT Chapter II forms & information | USPTO - United States …
2023年5月23日 · The United States International Preliminary Examining Authority (PCT Applicant's Guide, Volume I, Annex E US) Index Information on International Preliminary …
When is it useful to file a demand for international preliminary ...
4.1.009 It follows that filing a demand for international preliminary examination is, in general, useful only if the WO‑ISA was "negative" and the applicant is of the opinion that amendments …
1800 - Patent Cooperation Treaty - United States Patent and …
2024年10月30日 · This chapter is designed to be a guide for patent examiners in searching and examining applications filed under the Patent Cooperation Treaty (PCT).
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