In effect since June 1, 2025
Over
Countries
0
Since 1924
Years
0
Over
Since 1924
In effect since June 1, 2025
Effective from August 27, 2025
In force from August 15, 2025
Applicable from May 1, 2025
With effect from April 1, 2025
Check out our latest Newsletter
Our April Newsletter is out
Our March Newsletter is out
Our February Newsletter is out
Celebrating a century of Katzarov’s Manual on Industrial Property (formerly Katzaroff’s Patent Directory). The world’s 1st patent directory!
© 2025 Katzarov – All rights reserved