| HYGOLET 0446741 · TMA262560 · design | Hygolet Inc. | 11 Lighting | Registered | 1981 |
| HYKOLITY 1986359 · design | ShenZhen RunSenSheng Trading Co.,Ltd. | 11 Lighting | Pending | 2019 |
| HUSKYLITE 0742347 · TMA452413 | REHRIG PACIFIC COMPANY, (A CALIFORNIA CORPORATION) | 20 Furniture21 Housewares | Registered | 1995 |
| HAZELWOOD 2213963 · TMA1279048 | Delta Faucet Company | 11 Lighting21 Housewares | Registered | 2024 |
| HEXCLOUD 2137917 · TMA1160587 | SERTA INC. | 20 Furniture | Registered | 2023 |
| HIKELITE 2125650 · TMA1197830 | Osprey Packs, Inc. | 18 Leather | Registered | 2023 |
| Hokultie 2119016 · TMA1195652 | Dongguan Yinggongde E-Commerce Co., Ltd. | 11 Lighting | Registered | 2023 |
| HSCLOUD 2064413 · TMA1278475 | HS GOVTECH SOLUTIONS INC. | 9 Electronics35 Advertising42 Science | Registered | 2024 |
| Heceltt 2049034 · TMA1150455 | Shenzhen Aopixi Electronic Commerce Co. Ltd. | 11 Lighting | Registered | 2022 |
| HYSHIELD 2046553 · TMA1282067 | Sipco Innovations Inc. | 1 Chemicals | Registered | 2025 |
| HYSHIELD 2046552 · TMA1282066 · design | Sipco Innovations Inc. | 1 Chemicals | Registered | 2025 |
| H2SHIELD 2035162 · TMA1162120 | National Oilwell Varco, L.P. a limited partnership organized under the laws of Delaware | 6 Metal | Registered | 2023 |
| HEIGOLD 2004350 · TMA1138440 | Rabbit Hole Spirits, LLC | 33 Wine | Registered | 2022 |
| HOUSOLUTION 1882820 · TMA1076183 | Shenzhen Baishanchuan Technology Co,.ltd | 9 Electronics14 Jewellery | Registered | 2020 |
| HOUSOLUTION 1882819 · TMA1076181 | Shenzhen Baishanchuan Technology Co,.ltd | 8 Hand | Registered | 2020 |
| HySHIELD 1836113 · TMA1101852 | SPC RESOURCES, INC. | 1 Chemicals | Registered | 2021 |
| HAGLEITNER 1766925 · TMA1037037 | an individual | 3 Cosmetics5 Pharmaceuticals6 Metal+4 | Registered | 2019 |
| HAZELWOOD 1741837 · TMA1031319 | William Grant & Sons Irish Brands Limited | 33 Wine | Registered | 2019 |
| HAKLUYT 1652752 · TMA928189 | HAKLUYT & COMPANY LIMITED | 35 Advertising36 Finance | Registered | 2016 |
| HAZLITT 1591033 · TMA875055 | PENGUIN RANDOM HOUSE CANADA LIMITED/PENGUIN RANDOM HOUSE CANADA LIMITEE | 9 Electronics41 Education | Registered | 2014 |
| HAGLEITNER 1577912 · TMA882858 | an individual | 3 Cosmetics5 Pharmaceuticals21 Housewares | Registered | 2014 |
| HAZLED 1554485 · TMA904645 | RAB LIGHTING INC. | 11 Lighting | Registered | 2015 |
| HIGHGLIDE 1535035 · TMA830251 | Trico Products Corporation (a corporation formed under the laws of the State of New York) | 12 Vehicles | Registered | 2012 |
| HSLED 1534004 · TMA872741 | RAB LIGHTING INC. | 11 Lighting | Registered | 2014 |
| HESylation 1376143 · TMA853386 | an individual | 42 Science | Registered | 2013 |