Patent Cooperation Treaty Yearly Review 2021 - Executive Summary
The International Patent System
Author(s): WIPO
Publication year: 2021
DOI: English, Français, Español, عربي, 中文, Русский, Deutsch, 日本語, 한국어
This document provides the key trends in the use of the WIPO-administered Patent Cooperation Treaty (PCT). This edition provides a summary of the statistics reported in the PCT Yearly Review 2021.