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100th Anniversary Katzarov's Manual on Industrial Property

Over 200 countries

Main IP Conventions

At-a-glance tables for easy reference

Available protection

Filing and maintenance requirements

IP prosecution and enforcement tips

Latest updates

The UAE launches the geographical indications (GI) system for national products

From May 8, 2025

Ethiopia acceded to the Paris Convention

In force from August 15, 2025

EU Design Reform

Applicable from May 1, 2025

USPTO suspends expedited examination procedure for design applications

Effective April 17, 2025

Bangladesh Patent Act, 2023

In force since February 27, 2025

Lao PDR: validation of European patents in Laos

With effect from April 1, 2025

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February 13, 2025

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Celebrating a century of Katzarov’s Manual on Industrial Property (formerly Katzaroff’s Patent Directory). The world’s 1st patent directory!

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November 21, 2024

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The International IP Reference since 1924
At-a-glance Tables summarizing Key Information
International Conventions, Agreements, Treaties and Regulations
Over 200 Countries
Filing and Maintenance Requirements Worldwide

The International IP Reference since 1924

At-a-glance Tables summarizing Key Information

International Conventions, Agreements, Treaties and Regulations

Over 200 Countries

Filing and Maintenance Requirements Worldwide

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