| COMFILAX 1919059 · TMA1109117 · design | CellChem Pharmaceuticals Inc. | 5 Pharmaceuticals | Registered | 2021 |
| COMBOLOC 1130645 · TMA595592 | REHAU INCORPORATED | 8 Hand | Registered | 2003 |
| COMBOLAK 1061392 · TMA559426 | Owner not shown | 1 Chemicals | Registered | 2002 |
| COMPLAN 1973214 · TMA1267720 | Complan Foods Limited | 5 Pharmaceuticals | Registered | 2024 |
| CompLoc 1767513 · TMA1043444 | an individual | 6 Metal17 Rubber19 Building | Registered | 2019 |
| COMBPAL 1573874 · TMA849083 | MONET BEAUTY PRODUCTS LTD. | 8 Hand | Registered | 2013 |
| COMPULAW 1136319 · TMA605911 | Aderant CompuLaw, LLC | 9 Electronics35 Advertising | Registered | 2004 |
| COMPULA 1102956 · TMA652098 | DENTSPLY SIRONA Inc. | 10 Medical | Registered | 2005 |
| COMPLAN 0237033 · TMA113362 | Complan Foods Limited | 5 Pharmaceuticals17 Rubber | Registered | 1959 |
| COMBIHALER 1636099 · TMA906737 | Owner not shown | 10 Medical | Registered | 2015 |
| COMFILIFE 1867345 · TMA1074018 · design | VOZZIER, LLC, a California limited liability company | 10 Medical20 Furniture24 Textiles+1 | Registered | 2020 |
| COMFILIFE 1867344 · TMA1103585 | VOZZIER, LLC, a California limited liability company | 10 Medical20 Furniture24 Textiles+1 | Registered | 2021 |
| CompliPak 1820699 · TMA1079245 | Complipak Inc. | 7 Machines24 Textiles | Registered | 2020 |
| COMBYLITE 1612838 · TMA880372 | The Binding Site Group, Ltd. | 5 Pharmaceuticals | Registered | 2014 |
| COMPULOCK 0864887 · TMA504846 · design | JANOME Corporation | 7 Machines | Registered | 1998 |
| CYMBAL 2264072 · TMA1283347 | KOHLER CO. | 11 Lighting | Registered | 2025 |
| COMBFFLE 2257455 · TMA1276340 | KI HING TRADING COMPANY LIMITED | 21 Housewares | Registered | 2024 |
| comfy4all 2253343 · TMA1272892 | an individual | 10 Medical24 Textiles25 Clothing | Registered | 2024 |
| CAMPLUX 2252484 · TMA1274378 | Junsky Appliances Limited | 9 Electronics20 Furniture21 Housewares+1 | Registered | 2024 |
| COMPLETE 2204287 · TMA1249699 | PrimeSource Building Products, Inc. (Delaware Corporation) | 6 Metal8 Hand | Registered | 2024 |
| CANNFLASH 2203909 · TMA1239989 · design | SANTAI SCIENCE INC. | 9 Electronics | Registered | 2024 |
| CIMPLATE 2203744 · TMA1239955 | Canadian Innovative Materials Ltd. | 6 Metal | Registered | 2024 |
| Chompalot 2185725 · TMA1162795 | an individual | 30 Coffee | Registered | 2023 |
| COMPALOX 2180611 · TMA1253710 | Martinswerk GmbH | 1 Chemicals | Registered | 2024 |
| Comfelie 2178787 · TMA1228961 | Shenzhen Xihe E-Commerce Co. Ltd. | 25 Clothing | Registered | 2024 |