| Number |
Date |
Concerning |
| C. PCT 1649 |
December 16, 2022 |
Results of the "PCT Office Survey 2020-2021" which was conducted over the months of March and April 2022, using an on-line questionnaire sent to your Office by means of circular C. PCT 1637 dated February 25, 2022. |
| C. PCT 1648 |
December 14, 2022 |
Invitation to participate in the sixteenth session of the Patent Cooperation Treaty (PCT) Working Group, which will take place as a remote-only meeting from February 6 to 8, 2023. |
| C. PCT 1646 |
September 16, 2022 |
Invitation to the fifth meeting of the PCT Minimum Documentation Task Force, which will take place by videoconference using Microsoft Teams from November 14 to 18, 2022. |
| C. PCT 1644 |
June 27, 2022 |
Promulgation of modifications of the Administrative Instructions under the PCT, the PCT Receiving Office Guidelines and the PCT International Search and Preliminary Examination Guidelines, with effect from July 1, 2022. |
| C. PCT 1643 |
July 26, 2022 |
Invitation to participate in the fifteenth session of the Patent Cooperation Treaty (PCT) Working Group and the thirty-second session of the PCT Committee for Technical Cooperation, which will be held in Geneva, at the headquarters of the World Intellectual Property Organization (WIPO), with the possibility of remote participation via an online platform, from October 3 to 7, 2022. |
| C. PCT 1642 |
May 17, 2022 |
Proposed modifications of the PCT Receiving Office Guidelines and the PCT International Search and Preliminary Examination Guidelines. |
| C. PCT 1641 |
April 28, 2022 |
Proposed modifications to the Administrative Instructions under the PCT, the PCT Receiving Office Guidelines and the PCT International Search and Preliminary Examination Guidelines. |
| C. PCT 1639 |
March 10, 2022 |
Conclusion of consultations, notified in PCT Circular C. PCT 1632, regarding proposals for change to the Standard for the Electronic Filing and Processing of International Applications under the Patent Cooperation Treaty (Annex F of the Administrative Instructions). |
| C. PCT 1638 |
February 16, 2022 |
Invitation to the twenty-ninth session of the Meeting of International Authorities under the PCT (PCT/MIA), which will take place by videoconference on the Zoom platform from June 20 to 22, 2022, and to the PCT/MIA Quality Subgroup, also by videoconference, on June 16 and 17, 2022. |
| C. PCT 1637 |
February 25, 2022 |
Questionnaire to assess your level of satisfaction with PCT services over 2020 and 2021. |
| C. PCT 1636 |
February 9, 2022 |
Promulgation of modifications of the Administrative Instructions under the PCT and certain Forms, with effect from July 1, 2022. |
| C. PCT 1635 |
February 1, 2022 |
Further discussion on proposed modifications of the Administrative Instructions under the PCT ("the Administrative Instructions") on the PCT Working Group Wiki. |
| C. PCT 1634 |
January 26, 2022 |
Invitation to provide comments on the draft report on characteristics of international search reports (data underlying the graphs in the Annex  )  |