Complex sentence: Some governments participating in the negotiations (especially the European Communities) wish to go further and negotiate the inclusion under Article 23 of TRIPS of GIs on products other than wines and spirits because they believe that this will increase the protection of these marks in international trade.
Split into simpler sentences: Some governments participating in the negotiations (especially the European Communities) wish to go further and negotiate the inclusion of GIs on products other than wines and spirits under Article 23 of TRIPS. These governments argue that extending Article 23 will increase the protection of these marks in international trade.