| XTENDFLEX 1817576 · TMA1065521 | Monsanto Technology, LLC | 1 Chemicals31 Fresh | Registered | 2019 |
| XTENDER 1704136 · TMA956128 · design | FRED V. FOWLER COMPANY, INC. a legal entity | 9 Electronics | Registered | 2016 |
| xTender 1517192 · TMA1042567 | AB Enzymes GmbH | 1 Chemicals30 Coffee | Registered | 2019 |
| XTENDER 1421513 · TMA812278 | Owner not shown | 9 Electronics37 Construction45 Legal | Registered | 2011 |
| XTENDER 1307314 · TMA727013 | Ames Tools Corporation | 8 Hand | Registered | 2008 |
| XTENDR 1993247 · TMA1253464 | Lindsay Broadband Inc. | 9 Electronics | Registered | 2024 |
| XTENDRA 1737197 · TMA1032849 | Camlin Fine Sciences Ltd. | 1 Chemicals | Registered | 2019 |
| XTENDLINK 1722141 · TMA1054814 | Monsanto Technology LLC, a Delaware limited liability company | 1 Chemicals | Registered | 2019 |
| XTENDLIFE 1644702 · TMA942392 · design | Xtend-Life Group Limited | 5 Pharmaceuticals | Registered | 2016 |
| XTENDLIFE 1644700 · TMA942393 | Xtend-Life Group Limited | 5 Pharmaceuticals | Registered | 2016 |
| XTENDIMAX 1563879 · TMA939681 | Monsanto Technology LLC, a Delaware limited liability company | 5 Pharmaceuticals | Registered | 2016 |
| XTENDLIFE 1397938 · TMA796134 | an individual | 30 Coffee | Registered | 2011 |
| XTENDOR 1384704 · TMA762324 | Winter Equipment Company, Inc. | 6 Metal7 Machines | Registered | 2010 |
| XtendLive 2291692 | Owner not listed | 42 Science | Pending | 2023 |
| Xtimetrics 2086347 · TMA1170086 | HMA Insurance Services Corp. | 35 Advertising | Registered | 2023 |
| XTINDUBEC 2064556 · TMA1240857 | Celgene Corporation | 5 Pharmaceuticals | Registered | 2024 |
| XTEND 1907032 · TMA1107401 | Scivation, Inc. | 32 Beer | Registered | 2021 |
| XTENDAMIX 1825243 · TMA1003385 | Xtendamix Canada Inc. | 9 Electronics35 Advertising41 Education+1 | Registered | 2018 |
| XTEND 1808869 · TMA1017817 | an individual | 9 Electronics | Registered | 2019 |
| XTEND 1743985 · TMA995731 | Axel Plastics Research Laboratories, Inc. | 1 Chemicals | Registered | 2018 |
| XTANDI 1558010 · TMA877846 | Astellas Pharma Inc. | 5 Pharmaceuticals | Registered | 2014 |
| XtendOvite 1494083 · TMA803378 | an individual | 5 Pharmaceuticals | Registered | 2011 |
| XTEND 1379969 · TMA756151 | Digi International Inc. a Delaware Corporation | 9 Electronics | Registered | 2009 |
| XTEND 1377806 · TMA811700 | SPACESAVER CORPORATION A WISCONSIN CORPORATION | 6 Metal7 Machines9 Electronics+2 | Registered | 2011 |
| XTANT 1098798 · TMA583430 | Mitek Corporation | 9 Electronics | Registered | 2003 |