PCT Circulars 2026

Number Date Concerning
C. PCT 1706 June 1, 2026 Invitation to provide comments on the report on characteristics of international search reports (list and index for graphs and dataDOC, Circulars, file containing graphsZIP, data underlying the graphs ZIP)
C. PCT 1705 May 27, 2026 Paired Review and Small Group Discussions of Quality Management Systems
C. PCT 1704 May 4, 2026 Upcoming enhancement to the front page layout of the international publication of international applications by the International Bureau.
C. PCT 1702 February 10, 2026 PCT Office Feedback Survey 2024-2025
C. PCT 1701 May 15, 2026 Survey regarding challenges experienced by Offices in digitizing IP documentation
C. PCT 1700 January 22, 2026 Communication from the Permanent Mission of Colombia to the United Nations and other International Organizations in Geneva.
C. PCT 1699 January 19, 2026 Proposed Availability of Full Text PDF Versions of International Applications, Including Color and Greyscale Drawings.
C. PCT 1698 January 8, 2026 Request for the inclusion of a supplementary item on the draft agenda for the nineteenth session of the Patent Cooperation Treaty (PCT) Working Group.