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PCT System: Prior Art for International and National Phases, and Grace Periods (in Russian)

Meeting codeWIPO/WEBINAR/PCT/2026/4
Date and venueMarch 24, 2026 Virtual
Time of sessions08:30 - 12:00 Geneva time
Language of sessionsRussian
Previous / future meetingsWIPO/WEBINAR/PCT/2026/3 >> WIPO/WEBINAR/PCT/2026/4 >> WIPO/WEBINAR/PCT/2026/16
Topic(s)Webinars, Workshops and Seminars, PCT Webinars, WIPO Russia Office Webinars, PCT webinar series for the CACEEC region
This webinar provides an in-depth overview of key aspects of prior art and the application of grace periods under WIPO’s PCT System, with a particular focus on its treatment during the international and national/regional phases.

The session will cover:

  • prior art considered during international search and international preliminary examination, key stages in the PCT international phase;
  • minimum documentation used in international search and preliminary examination;
  • citation of documents published after the priority date, including applications filed by different applicants or the same applicant as in the PCT application during the international and national/regional phases;
  • situations in which the publication may or may not be included in the international search report, written opinion, or report on patentability under Chapter II of the international phase procedure, as well as during substantive examination in the national/regional phase;
  • the application of grace periods in the assessment of patentability criteria in both the international and national/regional phases, including circumstances where disclosures made before filing may be excluded from prior art;
  • and more.


Participants also benefit from up-to-date practical insights from representatives of the national and regional Offices, who will share their experience and approaches to citing documents applied in their Offices in their roles as International Searching Authorities, International Preliminary Examining Authorities, and designated or elected Offices under the PCT System.

Meeting documents

CodeTitle(s)File(s)
WIPO/WEBINAR/PCT/2026/4/PRESENTATION 3РусскийОПЫТ РОСПАТЕНТА В КАЧЕСТВЕ МЕЖДУНАРОДНОГО ПОИСКОВОГО ОРГАНА И ОРГАНА МЕЖДУНАРОДНОЙ ПРЕДВАРИТЕЛЬНОЙ ЭКСПЕРТИЗЫОПЫТ РОСПАТЕНТА В КАЧЕСТВЕ МЕЖДУНАРОДНОГО ПОИСКОВОГО ОРГАНА И ОРГАНА МЕЖДУНАРОДНОЙ ПРЕДВАРИТЕЛЬНОЙ ЭКСПЕРТИЗЫ, Complete document (pdf)

Other related documents

Title(s)File(s)
WIPO/WEBINAR/PCT/2026/4/PRESENTATION 1РусскийСистема PCT: Международный поиск. Дополнительный международный поиск. Международная предварительная экспертизаСистема PCT: Международный поиск. Дополнительный международный поиск. Международная предварительная экспертиза, Complete document (pdf)
WIPO/WEBINAR/PCT/2026/4/PRESENTATION 2РусскийСистема PCT. Уровень техники для целей международной и региональной фаз.Система PCT. Уровень техники для целей международной и региональной фаз., Complete document (pdf)