| CONVERTIBLES 1613543 · TMA904197 · design | British American Tobacco (Brands) Limited | 34 Tobacco | Registered | 2015 |
| CONVERTUS 1997526 · TMA1195139 | Convertus Canada Ltd. | 1 Chemicals4 Oils40 Treatment+1 | Registered | 2023 |
| CONVERTUS 1882528 · TMA1073983 | Convertus Digital Inc. | 9 Electronics35 Advertising42 Science | Registered | 2020 |
| CONVERTEX 1319924 · TMA694469 | CONVERTEX INC. | 12 Vehicles22 Ropes40 Treatment | Registered | 2007 |
| CONVERSATILE 1099980 · TMA628972 | The North Face Apparel Corp. (a Delaware corporation) | 22 Ropes | Registered | 2004 |
| CONVERTER 0894343 · TMA526629 | HENDRIX GENETICS LIMITED | 31 Fresh | Registered | 2000 |
| CONVERTORS 0481798 · TMA278452 | ALLEGIANCE CORPORATION | 5 Pharmaceuticals10 Medical24 Textiles | Registered | 1983 |
| CONVERTED 0308476 · TMA165596 | Mars Canada Inc. | 30 Coffee | Registered | 1969 |
| CONVERSATIONS 2101500 · TMA1168911 · design | an individual | 3 Cosmetics | Registered | 2023 |
| CONVERSE 2153821 · TMA1246288 | an individual | 9 Electronics35 Advertising41 Education | Registered | 2024 |
| CONVERSE 2101559 · TMA1195406 | Simple Tire LLC | 12 Vehicles35 Advertising | Registered | 2023 |
| CONVERGENCE 1992825 · TMA1153751 | Nienkamper International Inc. | 20 Furniture | Registered | 2022 |
| CONVIROBE 1898365 · TMA1081349 | an individual | 25 Clothing | Registered | 2020 |
| CONVIROBE 1898364 · TMA1081351 · design | an individual | 25 Clothing | Registered | 2020 |
| 3COMFORTABLE 1837736 · TMA1015440 | an individual | 25 Clothing | Registered | 2019 |
| CONVERGE 1806463 · TMA990637 | KOHLER CO. | 11 Lighting | Registered | 2018 |
| CONVERTX 1741412 · TMA1028965 | BrightWater Medical, Inc. | 10 Medical | Registered | 2019 |
| ConvergenSee 1739747 · TMA1044757 | DAC Group (Holdings) Limited/ Groupe DAC (Gestions) Limitee | 9 Electronics42 Science | Registered | 2019 |
| CONVERSANT 1666363 · TMA918940 | Conversant Media, Inc. | 35 Advertising42 Science | Registered | 2015 |
| CONVERSANT 1633964 · TMA887113 · design | Conversant Intellectual Property Management Inc. | 35 Advertising36 Finance42 Science+1 | Registered | 2014 |
| CONVERNET 1632663 · TMA898281 | CONVERNET INC. | 35 Advertising41 Education42 Science | Registered | 2015 |
| CONVERSANT 1627106 · TMA887112 | Conversant Intellectual Property Management Inc. | 35 Advertising36 Finance42 Science+1 | Registered | 2014 |
| CONVERSE 1571486 · TMA985469 | an individual | 35 Advertising | Registered | 2017 |
| Convert 1540908 · TMA871465 | ATP Nutrition Ltd. | 1 Chemicals | Registered | 2014 |
| CONVERGIS 1527496 · TMA875224 | ivari | 36 Finance | Registered | 2014 |