| Date | Number | Invoked mark | Contested mark Sort ascending | Fil. no. | Decision | Language | Status |
|---|---|---|---|---|---|---|---|
| 2015644 | Z | Z Zerba | 1401857 | Awarded | NL | Definitive | |
| 2015259 | YUR | Yuris | 1393846 | Awarded | NL | Definitive | |
| 2004532 | YUMMI YUMMI | YUMMY | 1184449 | Rejected | FR | Definitive | |
| 2011578 | YUM YUM | Yum.me | 1321311 | Partially awarded | EN | Definitive | |
| 2004357 | YOUNIQUE | YOUNIQUE | 1179530 | Rejected | NL | Definitive | |
| 2004430 | YOUNIQUE | YOUNIQUE | 1179530 | Awarded | NL | Definitive | |
| 2011126 | YOUNG! | YOUNG | 1311873 | Partially awarded | NL | Definitive | |
| 2009892 | YOUBANKING | YouFinance | 1287047 | Awarded | NL | Definitive | |
| 2011165 | YOUBUILD | YOUBUILD | 1309444 | Rejected | FR | Definitive | |
| 2005992 | YOU | YOUASME | 1211302 | Awarded | NL | Definitive | |
| 2006080 | YOU | YOU ROTTERDAM | 1212903 | Awarded | NL | Definitive | |
| 2017490 | YO | YOS | 1447968 | Rejected | NL | ||
| 2018754 | YOO | Yooby | 1477036 | Partially awarded | FR | ||
| 2010366 | KYOKO | YOCOCO | 1295731 | Rejected | NL | Definitive | |
| 2008094 | YMC | YMCMB | 924006 | Awarded | NL | Definitive | |
| 2014778 | YES | YESIDO | 1434010 | Awarded | EN | Definitive | |
| 2014111 | YES | Yesido | 1369331 | Partially awarded | NL | ||
| 2008607 | yello | YELLOWTAC | 1264149 | Awarded | NL | Definitive | |
| 2000667 | yello | YELLOWSPOT | 1114337 | Awarded | NL | Definitive | |
| 2015249 | yello | yellowshape | 1392180 | Awarded | NL | Definitive | |
| 2013262 | yello | YELLOWLINE PLUS | 1353673 | Awarded | NL | Definitive | |
| 2004367 | YELLOW PAGES | yellow.lu | 1180013 | Rejected | FR | Appeal | |
| 2011641 | yello | YELLOW MOTOR OIL | 1323712 | Awarded | NL | Definitive | |
| 2007527 | YELLOW PAGES | YELLOW MOBILE | 1242116 | Rejected | NL | Definitive | |
| 2004365 | YELLOW PAGES | YELLOW LU | 1180049 | Rejected | FR | Appeal |
Invoked mark: ABM/MNC = Algemeen bekend merk / Marque notoirement connue