专利合作条约年度审查-2026

Patent Cooperation TreatyYearly Review 2026The International Patent System This work is licensed under Creative Commons Attribution4.0 International. © WIPO, 2026 First published 2026 The user is allowed to reproduce, distribute, adapt, translateand publicly perform this publication, including for commercialpurposes, without explicit permission, provided that thecontent is accompanied by an acknowledgement that WIPO isthe source and that it is clearly indicated if changes were madeto the original content. World Intellectual Property Organization34, chemin des Colombettes, P.O. Box 18CH-1211 Geneva 20, Switzerland ISBN: 978-92-805-3921-9 (print)ISBN: 978-92-805-3922-6 (online)ISSN: 2790-8933 (print)ISSN: 2790-8941 (online) Suggested citation: World Intellectual Property Organization(2026).PCT Yearly Review 2026: The International Patent System.Geneva: WIPO. DOI:10.34667/tind.59475 Adaptation/translation/derivatives should not carry anyofficial emblem or logo, unless they have been approved andvalidated by WIPO. Please contact us via theWIPO websiteto obtain permission. Attribution 4.0 International (CC BY 4.0) Cover: Unsplash / Getty Images For any derivative work, please include the following disclaimer:“The Secretariat of WIPO assumes no liability or responsibilitywith regard to the transformation or translation of theoriginal content.” WIPO Publication No. 901EN/26 When content published by WIPO, such as images, graphics,trademarks or logos, is attributed to a third party, the user ofsuch content is solely responsible for clearing the rights withthe right holder(s). To view a copy of this license, please visithttps://creativecommons.org/licenses/by/4.0 Any dispute arising under this license that cannot be settledamicably shall be referred to arbitration in accordance withArbitration Rules of the United Nations Commission onInternational Trade Law (UNCITRAL) then in force. The partiesshall be bound by any arbitration award rendered as a result ofsuch arbitration as the final adjudication of such a dispute. The designations employed and the presentation of materialthroughout this publication do not imply the expression of anyopinion whatsoever on the part of WIPO concerning the legalstatus of any country, territory or area or of its authorities, orconcerning the delimitation of its frontiers or boundaries. This publication is not intended to reflect the views of theMember States or the WIPO Secretariat. The mention of specific companies or products ofmanufacturers does not imply that they are endorsed orrecommended by WIPO in preference to others of a similarnature that are not mentioned. Contents Acknowledgments5 Further information5 Online resources5Contact information5 Key numbers for 20256 A.Statistics on the international phase: PCT applications7 Highlights7Global trends in PCT applications13PCT applications by receiving office14PCT applications by origin15PCT applications by applicant type17Top PCT applicants20PCT applications by technology field25Participation of women inventors in PCT applications28Top geographical clusters of inventors in PCT applications32Statistical table34 B.Statistics on PCT national phase entries37 Highlights37Global trends in PCT national phase entries40National phase entries by origin41National phase entries by office43Patent applications by filing route46Top applicants in foreign-oriented patent families48Statistical table50 C.Statistics on the performance of the PCT System53 Highlights53PCT applications by publication language and filing medium57PCT applications filed using ePCT58Timeliness in processing PCT applications by the International Bureau59Efficiency in processing PCT applications by the International Bureau60 Receiving offices62International Searching Authorities65Supplementary International Searching Authorities69International Preliminary Examining Authorities69PCT-Patent Prosecution Highway pilots71 Annexes72 A brief presentation of the Patent Cooperation Treaty72Data description76Acronyms77Glossary78PCT Contracting States82 Acknowledgments ThePCT Yearly Reviewwas produced under the direction of Daren Tang (DirectorGeneral) in the IP and Innovation Ecosystems Sector led by Marco Alemán (AssistantDirector General) and supervised by Carsten Fink (Chief Economist). TheReviewwasprepared by Kyle Bergquist (Data Analyst), Carsten Fink, Nisha Jalan (Director ofStatistics) and Bruno Le Feuvre (Senior Statistical Analyst), all from the Department forEconomics and Data Analytics. Thanks go to colleagues from the Patents and Technology Sector for providingvaluable support, comments and suggestions on drafts at various stages. Samiah Do Carmo Figueiredo and Mary Osuchukwu provided administrative support.Gratitude is also due to the Customer Experience, Marketing, and Digital EngagementDivision for the editing and design, and to staff in the Printing Plant for their services. Finally, WIPO is grateful to national and regional patent of