| DOLPHIN 2116942 · TMA1205030 · design | an individual | 12 Vehicles28 Toys | Registered | 2023 |
| DOLPHIN 1870999 · TMA1080247 · design | MAYTRONICS LTD. | 7 Machines12 Vehicles | Registered | 2020 |
| DOLPHIN 1601530 · TMA894670 · design | Owner not shown | 22 Ropes37 Construction40 Treatment | Registered | 2015 |
| DOLPHIN 1439423 · TMA775739 | Imex Systems Inc. | 9 Electronics | Registered | 2010 |
| DOLPHIN 1195053 · TMA642714 | MAYTRONICS LTD. | 7 Machines | Registered | 2005 |
| DOLPHIN 0992834 · NFLD2834 · design | J. EVERSHED & SON, LIMITED | 3 Cosmetics | Registered | 1946 |
| DOLPHIN 0900305 | Her Majesty the Queen in Right of Canada as represented by the Minister of Fisheries and Oceans | All goods and services | Protected | 1984 |
| DOLPHIN 0829786 · TMA528082 | HAND HELD PRODUCTS, INC. (a Delaware corporation) | 9 Electronics | Registered | 2000 |
| DOLPHIN 0438961 · TMA243390 | MARINELAND OF CANADA INC. | 35 Advertising | Registered | 1980 |
| DOLPHIN 0346743 · TMA189669 | LIPPER INTERNATIONAL INC. | 1 Chemicals8 Hand9 Electronics+4 | Registered | 1973 |
| DOLPHIN 0289186 · TMA143370 | SLOAN VALVE COMPANY | 11 Lighting | Registered | 1966 |
| DOLPHIN 2356024 | Owner not listed | 35 Advertising | Pending | 2024 |
| DELPHION 1075209 · TMA566156 | Clarivate Analytics (US) LLC | 9 Electronics16 Paper35 Advertising+2 | Registered | 2002 |
| DOLPHINS 0363282 · TMA256907 · design | MIAMI DOLPHINS, LTD. A FLORIDA LIMITED PARTNERSHIP, COMPRISED OF JOSEPH ROBIE AND SOUTH FLORIDA SPORTS CORPORATION, A FLORIDA CORPORATION, AS GENERAL PARTNERS, AND DONALD F. SCHULLA AS LIMITES PARTNERS, TRADING AS MIAMI DOLPHINS, LTD. | 14 Jewellery16 Paper18 Leather+5 | Registered | 1981 |
| DELPHIN 1045657 · TMA562160 · design | PROAIR GMBH GERÄTEBAU | 7 Machines37 Construction42 Science | Registered | 2002 |
| DOLPHINOS 2268741 · design | an individual | 11 Lighting | Pending | 2023 |
| DELPHINE 1776325 · TMA966473 | Westcott Vineyards Incorporated | 33 Wine | Registered | 2017 |
| DELPHINE 2374581 · design | an individual | 25 Clothing35 Advertising | Pending | 2024 |
| Delephin 2351321 | Owner not listed | 5 Pharmaceuticals | Pending | 2024 |
| DolphinPOD 1842280 · TMA1067130 | an individual | 41 Education | Registered | 2019 |
| DOLFIN 2194986 · TMA1212635 · design | DOLFIN Academy LLC | 41 Education42 Science | Registered | 2023 |
| DOLFIN 2176077 · TMA1208965 | DOLFIN Academy LLC | 41 Education42 Science | Registered | 2023 |
| DOLLFUN 2079360 · TMA1165889 · design | DOLL FUN TOYS LIMITED | 28 Toys | Registered | 2023 |
| DOLFIN 0842356 · TMA513546 | an individual | 30 Coffee | Registered | 1999 |
| Dolofen 2222115 | Medipha Inc | 5 Pharmaceuticals | Pending | 2022 |