Patent Cooperation Treaty and Regulations
The publication containing the text of both the Patent Cooperation Treaty and the Regulations (WIPO Publication 274), updated as of 1 July 2024 in Arabic, Chinese, English, French, German, Italian, Portuguese, Russian and Spanish, will be available as from that date, in PDF format, at:
https://www.wipo.int/publications/en/details.jsp?id=4739
Separate PDF versions of the texts of the Patent Cooperation Treaty and the Regulations under the PCT are already available in those languages at:
https://www.wipo.int/pct/en/texts/index.html
You can select languages other than English and Italian at the top right-hand side of the page.