| COMPARTIS 1308631 · TMA754640 | DeguDent GmbH | 5 Pharmaceuticals9 Electronics10 Medical+1 | Registered | 2009 |
| COMPART 1933426 · TMA1139937 · design | Compart Systems PTE. LTD. | 6 Metal17 Rubber40 Treatment+1 | Registered | 2022 |
| COMPART 1933425 · TMA1139939 | Compart Systems PTE. LTD. | 6 Metal17 Rubber40 Treatment+1 | Registered | 2022 |
| COMPART 1881016 · TMA1087829 · design | Compart GmbH | 9 Electronics42 Science | Registered | 2020 |
| COMPARASAVE 1585028 · TMA875618 · design | RATESDOTCA Group Ltd. | 35 Advertising | Registered | 2014 |
| CONVERSITION 1449939 · TMA793668 · design | Research Now Limited | 42 Science | Registered | 2011 |
| COMPARC 1080745 · TMA591826 · design | Owner not shown | 6 Metal7 Machines9 Electronics+2 | Registered | 2003 |
| COMFRTTON 2293893 | Shanghai Yuanfei Information Technology Co. Ltd. | 25 Clothing | Pending | 2023 |
| COMPRESSIONZ 2281478 | CompZ Activewear Inc. | 10 Medical | Pending | 2020 |
| CONVERSATION 2200391 | Alliance pour la santé étudiante au Québec inc. | 44 Medical | Pending | 2022 |
| CONVERSATION 2200390 · design | Alliance pour la santé étudiante au Québec inc. | 44 Medical | Pending | 2022 |
| COMPAREWISE 2101693 | Wise Digital Group Inc. | 35 Advertising36 Finance38 Telecommunications+3 | Pending | 2021 |
| CONVERSATION 2070792 · design | Alliance pour la santé étudiante au Québec inc. | 44 Medical | Pending | 2020 |
| CONVERSATION 2068524 | Alliance pour la santé étudiante au Québec inc. | 44 Medical | Pending | 2020 |
| COMPRESSIONZ 2050987 | CompZ Activewear Inc. | 10 Medical | Pending | 2020 |
| CONVERSATIONS 2101500 · TMA1168911 · design | an individual | 3 Cosmetics | Registered | 2023 |
| 7 COMFORT 2274988 · TMA1271686 · design | Seven (7) Comfort Canada Inc. | 20 Furniture | Registered | 2024 |
| CUMBOR 2256267 · TMA1274730 | Shenzhen Diwen Jewelry Co. Ltd. | 6 Metal | Registered | 2024 |
| COMFORTSPA 2246494 · TMA1272772 | Positive Partners LLC | 20 Furniture | Registered | 2024 |
| CONFORTO 2233980 · TMA1215652 | GRANBY INDUSTRIES LIMITED PARTNERSHIP | 11 Lighting | Registered | 2023 |
| Cannafrogs 2227004 · TMA1204443 | 11284045 Canada Inc. | 5 Pharmaceuticals34 Tobacco | Registered | 2023 |
| COMFORTCURVE 2220081 · TMA1237764 | WAHL CLIPPER CORPORATION | 8 Hand | Registered | 2024 |
| CAMBRA 2206221 · TMA1246438 | Cargill, Incorporated | 30 Coffee | Registered | 2024 |
| Cannaverse 2202640 · TMA1241259 | an individual | 35 Advertising | Registered | 2024 |
| COMPRISE 2202160 · TMA1264091 | BL Technologies, Inc. | 42 Science | Registered | 2024 |