| HERSTASIS 2061118 | Herstasis Health Inc. | 42 Science | Pending | 2020 |
| HORSTMAN 1623844 · TMA971132 | HORSTMAN DEFENCE SYSTEMS LIMITED | 12 Vehicles37 Construction42 Science | Registered | 2017 |
| HORSDA 1884237 · TMA1075302 | Owner not shown | 9 Electronics18 Leather25 Clothing | Registered | 2020 |
| HEARST 1805828 · TMA1067477 · design | La Corporation de la Ville de Hearst | 36 Finance37 Construction39 Transport+3 | Registered | 2019 |
| HURST 1340882 · TMA775520 · design | Nidec Motor Corporation | 7 Machines | Registered | 2010 |
| HURST 1340880 · TMA777020 | Nidec Motor Corporation | 7 Machines12 Vehicles | Registered | 2010 |
| HIRESTA 0659701 · TMA398456 | Nittoseiko Analytech Co. Ltd. | 9 Electronics | Registered | 1992 |
| HURST 0526782 · TMA304939 | B&M Racing & Performance Products Inc. | 12 Vehicles | Registered | 1985 |
| hargtar 2311180 | an individual | 34 Tobacco | Pending | 2024 |
| HURST 2117487 | Hurst Jaws of Life, Inc. | 7 Machines8 Hand | Pending | 2021 |
| Herosweet 2202216 · TMA1239803 | Dongguanshi Xiaokui E-commerce Limited Company | 25 Clothing | Registered | 2024 |
| HERSTYLER 1685798 · TMA928638 | Herstyler Inc. | 3 Cosmetics8 Hand26 Sewing | Registered | 2016 |
| HARSSIDANZAR 2150367 · TMA1205276 · design | an individual | 25 Clothing | Registered | 2023 |
| Hairstrong 1965849 · TMA1176119 | an individual | 25 Clothing26 Sewing | Registered | 2023 |
| HEURIST 1910951 · TMA1114894 | Dyson Technology Limited | 7 Machines | Registered | 2021 |
| HARUKADO 1861425 · TMA1093974 | HARUKADO CO. LTD. | 1 Chemicals3 Cosmetics5 Pharmaceuticals | Registered | 2021 |
| HAIRSTORY 1857336 · TMA1049136 | Hair Ventures LLC | 3 Cosmetics44 Medical | Registered | 2019 |
| HAIRSTETICS 1803290 · TMA1013609 | Hairstetics Ltd. | 5 Pharmaceuticals10 Medical26 Sewing | Registered | 2019 |
| Heuristica 1746126 · TMA969013 | Heuristica Discovery Counsel Professional Corporation | 45 Legal | Registered | 2017 |
| HORSEDREAM 1745384 · TMA949869 | Werner Christ GmbH | 18 Leather | Registered | 2016 |
| HAIRSTETICS 1736299 · TMA1036444 | Hairstetics Ltd. | 10 Medical | Registered | 2019 |
| HAIRISTA 1630534 · TMA974462 | Unilever Global IP Limited | 3 Cosmetics | Registered | 2017 |
| HYREZTIQ 1625422 · TMA1051808 | PFIZER INC. | 5 Pharmaceuticals | Registered | 2019 |
| HReXtension 1247634 · TMA690222 | an individual | 35 Advertising41 Education42 Science | Registered | 2007 |
| HARKKEDGE 1204854 · TMA681919 | Harkk Pty Ltd | 6 Metal19 Building20 Furniture | Registered | 2007 |