| 0xfund 2289092 | 0x Management Ltd | 35 Advertising36 Finance | Pending | 2023 |
| XFINITY 2178387 · TMA1228201 | QINGDAO MK TYRE TECHNOLOGY CO.LTD | 12 Vehicles | Registered | 2024 |
| XPND 2111333 · TMA1158411 | D'ADDARIO & COMPANY, INC. | 9 Electronics15 Musical25 Clothing | Registered | 2022 |
| XPAND 2088198 · TMA1140663 | Sailun Tire Americas Inc. | 12 Vehicles17 Rubber | Registered | 2022 |
| XPANDOMER 2085329 · TMA1197607 | Roche Diagnostics GmbH | 1 Chemicals5 Pharmaceuticals9 Electronics | Registered | 2023 |
| XIBOND 2067161 · TMA1208222 | an individual | 1 Chemicals | Registered | 2023 |
| XPONDRA 1956205 · TMA1134501 | CytomX Therapeutics, Inc. | 5 Pharmaceuticals | Registered | 2022 |
| XPand 1876542 · TMA1066392 | Sonim Technologies Inc. | 9 Electronics38 Telecommunications42 Science | Registered | 2019 |
| XBOUNDER 1821132 · TMA1070733 | an individual | 25 Clothing28 Toys | Registered | 2020 |
| XFINITY 1818051 · TMA1014802 | Comcast Corporation | 9 Electronics37 Construction38 Telecommunications+3 | Registered | 2019 |
| XVENTURE 1809567 · TMA1037650 | LG ELECTRONICS INC. | 9 Electronics | Registered | 2019 |
| XFINITY 1755184 · TMA1025986 | Comcast Corporation | 6 Metal7 Machines9 Electronics+4 | Registered | 2019 |
| XPANDA 1746612 · TMA1005294 · design | XPANDA SECURITY (PTY) LTD | 6 Metal19 Building | Registered | 2018 |
| XPANDA 1746012 · TMA1001025 | XPANDA SECURITY (PTY) LTD | 6 Metal19 Building | Registered | 2018 |
| xevonta 1444191 · TMA791150 | an individual | 10 Medical | Registered | 2011 |
| XPBOND 1303871 · TMA702984 | DENTSPLY SIRONA Inc. | 5 Pharmaceuticals | Registered | 2007 |
| XPAND 1097211 · TMA605822 | SIEMENS HEALTHCARE DIAGNOSTICS INC. | 1 Chemicals5 Pharmaceuticals9 Electronics | Registered | 2004 |
| XYPOINT 1070973 · TMA687522 | TeleCommunication Systems, Inc. (a Maryland corporation) | 38 Telecommunications | Registered | 2007 |
| XYPOINT 0885878 · TMA528496 | TeleCommunication Systems, Inc. (a Maryland corporation) | 9 Electronics38 Telecommunications | Registered | 2000 |
| XPINYT 2345908 | Shenzhen Puzhan Electronic Commerce Co. Ltd. | 19 Building25 Clothing | Pending | 2024 |
| XFINITY 2324549 · design | Comcast Corporation | 9 Electronics25 Clothing35 Advertising+5 | Pending | 2024 |
| XPAND 2294844 | ONE WORLD SUPPLY INC. | 6 Metal11 Lighting17 Rubber+2 | Pending | 2023 |
| XPANDAHOSE 2216305 | J&B Merchandise LLC | 17 Rubber | Pending | 2022 |
| XFINITY 2149164 | Comcast Corporation | 9 Electronics35 Advertising41 Education+1 | Pending | 2021 |
| XPAND 2037787 · design | XPAND INC. | 26 Sewing | Pending | 2020 |