| HERBIAERA 2370200 | Owner not listed | 1 Chemicals7 Machines | Pending | 2024 |
| HERBAROM 1053820 · TMA579561 | Owner not shown | 30 Coffee | Registered | 2003 |
| HERBOREX 0306343 · TMA160437 | Le Groupe M. Vachon Inc. | 5 Pharmaceuticals | Registered | 1969 |
| HAIRPRO 2235673 · TMA1251585 | SharkNinja Operating LLC | 7 Machines | Registered | 2024 |
| Herbarista 2184650 · TMA1194061 | an individual | 3 Cosmetics29 Meat30 Coffee | Registered | 2023 |
| HARBOR 2049519 · TMA1169636 | Zhejiang Xinyi Shengao Mechanical Transmission Co. Ltd | 20 Furniture | Registered | 2023 |
| HORIVER 2022917 · TMA1115123 | an individual | 5 Pharmaceuticals21 Housewares | Registered | 2021 |
| HARBORSIDE 1891622 · TMA1086560 | FLRish IP, LLC | 5 Pharmaceuticals9 Electronics25 Clothing+7 | Registered | 2020 |
| HARBORSIDE 1837903 · TMA1099853 · design | FLRish IP, LLC | 5 Pharmaceuticals9 Electronics25 Clothing+5 | Registered | 2021 |
| HARBOR 1805404 · TMA1037973 · design | an individual | 3 Cosmetics | Registered | 2019 |
| HARBOURVEST 1718131 · TMA951867 | HarbourVest Partners II, LLC | 36 Finance | Registered | 2016 |
| Harbour 1617109 · TMA876628 | Harbour Family Law Corporation | 45 Legal | Registered | 2014 |
| HARBOURSTONE 1596230 · TMA864471 | MARRIOTT WORLDWIDE CORPORATION | 43 Restaurants | Registered | 2013 |
| HARBRINK 1542200 · TMA849903 | an individual | 35 Advertising36 Finance37 Construction+2 | Registered | 2013 |
| HARVARD 1535486 · TMA852394 | PRESIDENT AND FELLOWS OF HARVARD COLLEGE | 41 Education | Registered | 2013 |
| HEARFOREVER 1445953 · TMA803527 | SPERIAN HEARING PROTECTION, LLC a Delaware limited liability company | 9 Electronics16 Paper44 Medical | Registered | 2011 |
| HERAPUR 1408499 · TMA778974 | Heraeus Deutschland GmbH & Co. KG | 1 Chemicals6 Metal7 Machines | Registered | 2010 |
| HARBORMASTER 1287470 · TMA746230 | Eagle Window & Door Manufacturing, Inc. | 19 Building | Registered | 2009 |
| HARVARD 1268676 · TMA679058 | President and Fellows of Harvard College (a charitable corporation of the Commonwealth of Massachusetts) | 25 Clothing | Registered | 2007 |
| HARBOURSIDE 1185640 · TMA616816 | York Condominium Corporation No. 510 | 36 Finance | Registered | 2004 |
| HERBRIGHT 1183837 · TMA638233 · design | SUN TEN PHARMACEUTICAL CO. LTD. | 5 Pharmaceuticals | Registered | 2005 |
| HARPERTROPHYCANADA 1144776 · TMA658070 | HarperCollins Publishers L.L.C. a Delaware limited liability company | 16 Paper | Registered | 2006 |
| HARPER 1089684 · TMA600209 | THE AMES COMPANIES, INC. | 21 Housewares | Registered | 2004 |
| HARBORMASTER 1075118 · TMA573993 | BEACON MARINE SECURITY LIMITED | 9 Electronics | Registered | 2003 |
| HARBOURSIDE 1003995 · TMA528970 | Cliffstar LLC | 32 Beer | Registered | 2000 |