| Omega Diagnostics 2201941 · TMA1280806 | Omega Diagnostics Limited | 1 Chemicals5 Pharmaceuticals10 Medical | Registered | 2025 |
| FOCUS DIAGNOSTICS 1225759 · TMA704920 | DIASORIN MOLECULAR LLC | 1 Chemicals5 Pharmaceuticals10 Medical | Registered | 2008 |
| QUEST DIAGNOSTICS 1117899 · TMA736785 | Quest Diagnostics Investments LLC | 1 Chemicals5 Pharmaceuticals16 Paper+6 | Registered | 2009 |
| IMAGE DIAGNOSTICS 0854229 · TMA499234 | GLENN A. DAVIS & ASSOCIATES LTD. | 35 Advertising | Registered | 1998 |
| hubbl diagnostics 2210777 | an individual | 42 Science | Pending | 2022 |
| LUMOS DIAGNOSTICS 2158144 · design | LUMOS DIAGNOSTICS IP PTY LTD | 1 Chemicals5 Pharmaceuticals9 Electronics+4 | Pending | 2021 |
| OSLER DIAGNOSTICS 1942570 | Osler Diagnostics Limited | 1 Chemicals5 Pharmaceuticals9 Electronics+6 | Pending | 2019 |
| LILIUM DIAGNOSTICS 2244886 · TMA1263223 | Owner not listed | 44 Medical | Registered | 2024 |
| GENOVA DIAGNOSTICS 1876818 · TMA1053511 | Genova Diagnostics, Inc. (Delaware, US, Corporation) | 42 Science | Registered | 2019 |
| ALTONA DIAGNOSTICS 1747506 · TMA1106048 · design | altona Diagnostics GmbH | 1 Chemicals5 Pharmaceuticals9 Electronics+1 | Registered | 2021 |
| TYRIAN DIAGNOSTICS 1453751 · TMA837740 | Tyrian Diagnostics Limited | 1 Chemicals9 Electronics42 Science | Registered | 2012 |
| VISUAL DIAGNOSTICS 1342903 · TMA771092 | Visual Diagnostics Inc. | 35 Advertising | Registered | 2010 |
| MOSAIC DIAGNOSTICS 2220000 | Mosaic Diagnostics LLC | 44 Medical | Pending | 2022 |
| LUMIVI DIAGNOSTICS 2075533 · design | Lumivi Diagnostics LP | 1 Chemicals5 Pharmaceuticals35 Advertising | Pending | 2021 |
| LUMIVI DIAGNOSTICS 2059519 | Lumivi Diagnostics LP | 1 Chemicals5 Pharmaceuticals35 Advertising | Pending | 2020 |
| INAGENE DIAGNOSTICS 1934471 · TMA1149738 | Inagene Diagnostics Inc. | 35 Advertising41 Education42 Science+1 | Registered | 2022 |
| MAYFAIR DIAGNOSTICS 1795746 · TMA1021210 | an individual | 41 Education44 Medical | Registered | 2019 |
| W INOVA DIAGNOSTICS 1745685 · TMA1000351 · design | INOVA Diagnostics, Inc. | 1 Chemicals5 Pharmaceuticals9 Electronics+1 | Registered | 2018 |
| SHIRLEY DIAGNOSTICS 2354712 | Owner not listed | 42 Science | Pending | 2024 |
| ALPHA-9 DIAGNOSTICS 2271237 | Owner not listed | 5 Pharmaceuticals35 Advertising42 Science+1 | Pending | 2023 |
| ANTYLIA DIAGNOSTICS 2236571 | COLE-PARMER INSTRUMENT COMPANY LLC | 1 Chemicals5 Pharmaceuticals9 Electronics+5 | Pending | 2023 |
| PAVONIS DIAGNOSTICS 2068441 | Pavonis Diagnostic Inc. | 5 Pharmaceuticals44 Medical | Pending | 2020 |
| PRESSURE DIAGNOSTICS 2232494 · TMA1256586 · design | Pressure Diagnostics Ltd. | 42 Science | Registered | 2024 |
| Syndrome Diagnostics 2042979 · TMA1155085 | PHM Technology Pty Ltd | 9 Electronics42 Science | Registered | 2022 |
| SENTINEL DIAGNOSTICS 2015809 · TMA1145600 · design | Owner not shown | 5 Pharmaceuticals10 Medical | Registered | 2022 |