Non-Conventional Trademarks don’t fall under the category of conventional trademarks and are primarily based on appearance, shape, sound, smell, taste, texture, etc.
https://www.kashishworld.com/non-conventional-trademarks

With Realms of Experience in Providing Trademark Registration Services, KIPG Safeguards the Trademark Rights of Clients while Maximizing the Profit their Creations Bring to their....
https://www.kashishworld.com/trademark

Luxembourg is a small European country, surrounded by Belgium, France, and Germany. This page explains well the different IP Rights available in Luxembourg
https://www.kashishworld.com/ip-rights-in-europe/luxembourg