The Patent Cooperation Treaty (PCT) in 1997
Author: WIPO
Publication year: 1998
DOI: English
![](https://www.wipo.int/edocs/pubdocs/en/cover/wipo_pub_901_1994.jpg)
Comprehensive facts, figures and analysis of the international patent system.
Author: WIPO
Publication year: 1998
DOI: English
Comprehensive facts, figures and analysis of the international patent system.