| NUFLEX 1120907 · TMA614135 | Nuco Sealants Inc. | 1 Chemicals17 Rubber | Registered | 2004 |
| NIOFLEX 2202213 · TMA1239800 | Layfield Group Ltd. | 10 Medical | Registered | 2024 |
| NEOFLEX 1853044 · TMA1047269 | Vitamin Health, Inc. | 5 Pharmaceuticals | Registered | 2019 |
| NEOFLEX 1440143 · TMA775396 | an individual | 17 Rubber | Registered | 2010 |
| NEUFLEX 1164415 · TMA600045 | DePuy Synthes, Inc. | 10 Medical | Registered | 2004 |
| NEOFLEX 1052070 · TMA573605 | Owner not shown | 2 Paints | Registered | 2003 |
| NUFLX 2225536 · TMA1240477 | NuSmile Ltd. | 10 Medical | Registered | 2024 |
| NAPLEX 1836079 · TMA1023985 | National Association of Boards of Pharmacy | 9 Electronics | Registered | 2019 |
| NUFLUX 1695844 · TMA1014805 | Evonik Operations GmbH | 1 Chemicals4 Oils42 Science | Registered | 2019 |
| NAPLEX 1375003 · TMA754396 | National Association of Boards of Pharmacy | 41 Education42 Science | Registered | 2009 |
| NFLX 2351360 | Owner not listed | 9 Electronics | Pending | 2024 |
| NFLX 2347305 | an individual | 9 Electronics | Pending | 2024 |
| NOVALEX 1931354 · TMA1115550 | Cabinet d'avocats NOVAlex inc | 9 Electronics16 Paper45 Legal | Registered | 2021 |
| NUBLEXA 1763878 · TMA1031290 | Bayer Intellectual Property GmbH | 5 Pharmaceuticals | Registered | 2019 |
| NOBLEXA 1763877 · TMA1034593 | Bayer Intellectual Property GmbH | 5 Pharmaceuticals | Registered | 2019 |
| NOVOLEX 1716927 · TMA1086393 · design | Novolex Holdings, LLC | 6 Metal16 Paper18 Leather+1 | Registered | 2020 |
| NOVOLEX 1709173 · TMA1078855 | Novolex Holdings, LLC | 6 Metal16 Paper18 Leather+2 | Registered | 2020 |
| NEOPLEX 1497158 · TMA874782 | Luminex Corporation | 1 Chemicals5 Pharmaceuticals9 Electronics | Registered | 2014 |
| NUOPLEX 2163254 | Sally Beauty International, Inc. | 1 Chemicals3 Cosmetics | Pending | 2022 |
| NOVALEX 2153847 · design | Cabinet d'avocats NOVAlex inc | 9 Electronics16 Paper45 Legal | Pending | 2021 |
| NIFELIZ 2262886 · TMA1281424 · design | shantoushi zhihang technology co.ltd | 28 Toys | Registered | 2025 |
| NOBLEZA 2254211 · TMA1279167 · design | AGZZX OPTOELECTRONICS TECHNOLOGY CO. LTD. | 3 Cosmetics5 Pharmaceuticals8 Hand+7 | Registered | 2024 |
| NEBULAGRAPH 2202395 · TMA1280810 · design | Hangzhou Ou Ruoshu Network Technology Co. Ltd. | 9 Electronics35 Advertising38 Telecommunications+1 | Registered | 2025 |
| NOBLEZA 33 2176006 · TMA1261188 · design | an individual | 33 Wine | Registered | 2024 |
| NobleEgg 2159052 · TMA1209986 | Noble Factory LLC | 9 Electronics | Registered | 2023 |