# Statistical Report: Characteristics of PCT International Searches

# May 2026

Distributed by the Department for Economics and Data Analytics, WIPO

## Background

At its nineteenth session, the Meeting of International Authorities Agreed to go ahead with a study on characteristics of international search reports based on a study which had been performed by the European Patent Office for the Trilateral Offices and which was being extended to the IP5 Offices (see paragraph 52(a) of document PCT/MIA/19/14 Prov.).

This report, which covers all Offices (including all IP5 Offices) that have been operating as International Authorities during the period from 2015 to 2024, has been prepared by the International Bureau using, for the most part, the Patstat database.

## Viewing the reports

The reports can be accessed at the links below. Top-level results are available as well as a breakdown by technology field for selected results

1. Phase 1 Metrics All ISA Top Level
2. Phase 1 Metrics All ISA Technology Breakdowns