| Date | Number | Invoked mark Sort descending | Contested mark | Fil. no. | Decision | Language | Status |
|---|---|---|---|---|---|---|---|
| 2011165 | YOUBUILD | YOUBUILD | 1309444 | Rejected | FR | Definitive | |
| 2011126 | YOUNG! | YOUNG | 1311873 | Partially awarded | NL | Definitive | |
| 2017916 | YOUNIQ | UNIQ wonen (fig.) | 1457942 | Rejected | NL | ||
| 2017928 | YOUNIQ | UNIQ vastgoed | 1457945 | Rejected | NL | ||
| 2004357 | YOUNIQUE | YOUNIQUE | 1179530 | Rejected | NL | Definitive | |
| 2004430 | YOUNIQUE | YOUNIQUE | 1179530 | Awarded | NL | Definitive | |
| 2011578 | YUM YUM | Yum.me | 1321311 | Partially awarded | EN | Definitive | |
| 2004532 | YUMMI YUMMI | YUMMY | 1184449 | Rejected | FR | Definitive | |
| 2015259 | YUR | Yuris | 1393846 | Awarded | NL | Definitive | |
| 2015644 | Z | Z Zerba | 1401857 | Awarded | NL | Definitive | |
| 2018213 | Z!p | Solar-Zip | 1664659 | Partially awarded | NL | Appeal | |
| 2018231 | Z!P | ID-Zip | 1664731 | Partially awarded | NL | Appeal | |
| 2003348 | Zapa | Zapp | 1163657 | Awarded | NL | Definitive | |
| 2003241 | Zapa | ZAPP | 1161863 | Rejected | NL | Definitive | |
| 2003347 | Zapa | Z@pp | 1163658 | Rejected | NL | Definitive | |
| 2003137 | ZEBRA FASHION | ZEBRA | 1159572 | Rejected | NL | Definitive | |
| 2009116 | ZEEUWSE ROOMBOTER BABBELAAR | ECHTE ZEEUWSE BOTERBABBELAARS JB DIESCH | 1271435 | Rejected | NL | Definitive | |
| 2008967 | ZEEUWSE ROOMBOTER BABBELAAR | (fig.) | 1270495 | Rejected | NL | Definitive | |
| 2012898 | ZEISS | Seiz | 1345452 | Rejected | EN | Definitive | |
| 2015149 | ZELF en Jij leeft. Zelf verzekert. | zelfverzekerd. online | 1387496 | Awarded | NL | Definitive | |
| 2001098 | ZELIA | ZELYA | 899392 | Awarded | FR | Definitive | |
| 2005831 | ZEN | ZEN@HOME | 1207965 | Awarded | FR | Definitive | |
| 2012699 | Zeppelin | ZEPPELIN | 1341687 | Rejected | NL | Definitive | |
| 2000974 | zero | SUB ZERO | 1121639 | Awarded | NL | Definitive | |
| 2005810 | ZERO | ZERO | 1209884 | Partially awarded | FR | Definitive |
Invoked mark: ABM/MNC = Algemeen bekend merk / Marque notoirement connue