| Date | Number | Invoked mark | Contested mark Sort ascending | Fil. no. | Decision | Language | Status |
|---|---|---|---|---|---|---|---|
| 2014602 | UNLEASH THE BEAST | Unleash your inner animal | 1380900 | Partially awarded | NL | Definitive | |
| 2011979 | Unity | UNITED | 1292668 | Partially awarded | EN | Definitive | |
| 2004683 | UNIQUE | UniQue RESSOURCES HUMAINES | 1009884 | Awarded | FR | Definitive | |
| 2017900 | UNICAS | UNIQ wonen (fig.) | 1457942 | Rejected | NL | ||
| 2017916 | YOUNIQ | UNIQ wonen (fig.) | 1457942 | Rejected | NL | ||
| 2017901 | UNICAS | UNIQ vastgoed | 1457945 | Rejected | NL | ||
| 2017928 | YOUNIQ | UNIQ vastgoed | 1457945 | Rejected | NL | ||
| 2000121 | SUNIGUM | UNIGUM | 1087277 | Rejected | NL | Definitive | |
| 2015889 | UNICA | UNICAS UNIEK WONEN | 1406891 | Awarded | NL | Appeal | |
| 2015888 | UNICA | UNICAS | 1406890 | Awarded | NL | Appeal | |
| 2004295 | UNIEBOEK | UNIBOOK COM | 1179109 | Partially awarded | NL | Definitive | |
| 2005126 | UNDER COVER JUN TAKAHASHI | UNDER COVER | 1195555 | Partially awarded | NL | Definitive | |
| 2006494 | ULTIMA | ULTIMATE PRO LS | 1222891 | Awarded | NL | Definitive | |
| 2013762 | UPS | ULS Airlines Cargo | 1362934 | Partially awarded | NL | Definitive | |
| 2004671 | TWISTER | ÜLKER CLIP twisty | 1006557 | Partially awarded | FR | Definitive | |
| 2014704 | Uggo | Ugo | 1383505 | Awarded | NL | Appeal | |
| 2017304 | UBER | ÜBER | 1443347 | Awarded | NL | Definitive | |
| 2015506 | UBERPOP | UBER | 1398257 | Awarded | NL | Definitive | |
| 2017567 | UNITZ | U-NIT | 1449017 | Partially awarded | NL | Appeal | |
| 2003832 | ONE STEP | TWO STEPS | 1171507 | Partially awarded | NL | Definitive | |
| 2001444 | TWINNERS | TWINNER SPORT | 92616 | Rejected | FR | Definitive | |
| 2001383 | TWINNER | TWINNER SPORT | 92616 | Partially awarded | FR | Definitive | |
| 2001384 | TWINNER | TWIN SPORT | 92617 | Partially awarded | FR | Definitive | |
| 2001426 | TWINDAY | TWIN SPORT | 92617 | Awarded | FR | Definitive | |
| 2005824 | Twin | Twin Emerald | 1206718 | Awarded | NL | Definitive |
Invoked mark: ABM/MNC = Algemeen bekend merk / Marque notoirement connue