| 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 |
| 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 |
| CONVERSATIONS 2101500 · TMA1168911 · design | an individual | 3 Cosmetics | Registered | 2023 |
| CONVERSITION 1449939 · TMA793668 · design | Research Now Limited | 42 Science | Registered | 2011 |
| CONVERSE 2153821 · TMA1246288 | an individual | 9 Electronics35 Advertising41 Education | Registered | 2024 |
| CONVERSE 2101559 · TMA1195406 | Simple Tire LLC | 12 Vehicles35 Advertising | Registered | 2023 |
| ConverStory 1993861 · TMA1124437 | an individual | 9 Electronics38 Telecommunications | Registered | 2022 |
| CONVERSICA 1976621 · TMA1111204 | Conversica LLC | 42 Science | Registered | 2021 |
| Convertables 1812379 · TMA999122 | Unbounce Marketing Solutions Incorporated | 42 Science | Registered | 2018 |
| CONVERSION 1787460 · TMA985340 · design | Moulures Bois-Francs inc. | 19 Building | Registered | 2017 |
| CONVERSION 1738780 · TMA1000537 | an individual | 36 Finance | Registered | 2018 |
| 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 |
| CONVERSANT 1627106 · TMA887112 | Conversant Intellectual Property Management Inc. | 35 Advertising36 Finance42 Science+1 | Registered | 2014 |
| CONVERTIBLES 1613543 · TMA904197 · design | British American Tobacco (Brands) Limited | 34 Tobacco | Registered | 2015 |
| CONVERSE 1571486 · TMA985469 | an individual | 35 Advertising | Registered | 2017 |
| CONVERSE 1520153 · TMA848011 · design | an individual | 18 Leather25 Clothing | Registered | 2013 |
| CONVERSENSE 1411195 · TMA761400 · design | Driven Brands Canada Funding Corporation Corporation de Financement de Marques Driven Canada | 36 Finance42 Science | Registered | 2010 |
| CONVERSOL 1403766 · TMA782507 | Converteam Technology Ltd. | 7 Machines9 Electronics40 Treatment+1 | Registered | 2010 |
| CONVERTING 1043370 · TMA579555 | Eastco International Inc. | 41 Education | Registered | 2003 |
| CONVERSE 0767940 · TMA455426 | an individual | 16 Paper18 Leather21 Housewares | Registered | 1996 |
| CONVERSE 0715536 · TMA452076 | an individual | 28 Toys | Registered | 1995 |
| CONVERSE 0409575 · TMA239520 · design | an individual | 25 Clothing | Registered | 1980 |