| HOOKIT 0690577 · TMA406861 | 3M Company (a Delaware corporation) | 3 Cosmetics7 Machines | Registered | 1993 |
| HOOKT 1542238 · TMA876398 · design | AirG Inc. | 9 Electronics14 Jewellery16 Paper+4 | Registered | 2014 |
| HOOKT 1271493 · TMA673352 | AirG Inc. | 38 Telecommunications | Registered | 2006 |
| HOCUT 0298939 · TMA150998 | QUAKER HOUGHTON CANADA INC. | 4 Oils | Registered | 1967 |
| HACKETT 0875393 · TMA573369 | HACKETT LIMITED | 3 Cosmetics9 Electronics14 Jewellery+4 | Registered | 2003 |
| HACKETT 2105189 | an individual | 9 Electronics | Pending | 2021 |
| HASHWOOD 2257655 · TMA1271654 | 2506810 ALBERTA LTD. | 18 Leather25 Clothing34 Tobacco+2 | Registered | 2024 |
| HESTIA 2255889 · TMA1274664 | Huntington Companies, Inc. | 21 Housewares | Registered | 2024 |
| HiGOOD 2245271 · TMA1264385 | Qingdao Kaiyuanxung International Trade Co.Ltd | 6 Metal | Registered | 2024 |
| HEXET 2239139 · TMA1247314 | Owner not listed | 25 Clothing | Registered | 2024 |
| hugewth 2217318 · TMA1245466 | Shenzhen Huizhiwei Technology Co., Ltd. | 16 Paper | Registered | 2024 |
| Hiquaty 2198190 · TMA1237414 | an individual | 28 Toys | Registered | 2024 |
| HYICED 2192113 · TMA1233876 | Shenzhen Yihaoxing Technology Co., Ltd. | 28 Toys | Registered | 2024 |
| HOOKED 2182282 · TMA1214618 | Federici Brands LLC | 3 Cosmetics | Registered | 2023 |
| HAWESTA 2168797 · TMA1262717 | Hawesta-Feinkost HansWestphal GmbH & Co. KG | 29 Meat | Registered | 2024 |
| HIEKYOIT 2154803 · TMA1226935 | Jiujiang Banzixi Electronic Commerce Co. Ltd. | 20 Furniture | Registered | 2024 |
| HYST 2150450 · TMA1205293 | HYST Films Equipment and Rentals Inc. | 25 Clothing35 Advertising38 Telecommunications+1 | Registered | 2023 |
| HASTA 2131954 · TMA1184294 | Groupe Spear Motion Inc. | 34 Tobacco | Registered | 2023 |
| HAOGUDUO 2125785 · TMA1208521 | an individual | 11 Lighting | Registered | 2023 |
| Hecaty 2119579 · TMA1185251 | Shenzhen Qiji Technology Co. Ltd. | 26 Sewing | Registered | 2023 |
| HKD 2091141 · TMA1149397 | Snow Economics, Inc. | 11 Lighting | Registered | 2022 |
| HCT 2091073 · TMA1207189 | CELANESE INTERNATIONAL CORPORATION | 1 Chemicals17 Rubber | Registered | 2023 |
| HCT 2090916 · TMA1206035 · design | an individual | 41 Education44 Medical45 Legal | Registered | 2023 |
| HASTE 2089420 · TMA1179031 | Hot Sauce Bread Studios Inc. | 9 Electronics | Registered | 2023 |
| Hoxida 2076188 · TMA1178795 | Shenzhen Umart Technology Co. Ltd | 11 Lighting | Registered | 2023 |