| COLLISIONS 1824516 · TMA1003079 | Wm. Wrigley Jr. Company | 30 Coffee | Registered | 2018 |
| COLLISION 1799268 · TMA1051894 | Unilever Canada Inc. | 3 Cosmetics | Registered | 2019 |
| COLLISIONFLO 1650943 · TMA894155 | R Tech Software Solutions Ltd. | 9 Electronics | Registered | 2015 |
| COLLISIONS 1621252 · TMA904992 | SOCIETE DES PRODUITS NESTLE SA | 31 Fresh | Registered | 2015 |
| COLLISIONS 1508917 · TMA881344 | Wm. Wrigley Jr. Company | 30 Coffee | Registered | 2014 |
| COLLISIONFREE 0760133 · TMA479714 | Young Drivers of Canada Corporation | 41 Education42 Science45 Legal | Registered | 1997 |
| COLLISION 2271957 | Owner not listed | 41 Education | Pending | 2023 |
| COLLISION 2076677 · design | Manders Terrace Ltd | 35 Advertising41 Education | Pending | 2021 |
| CollisionClarity 2292138 | DCR IP Company, LLC | 9 Electronics42 Science | Pending | 2023 |
| COLLUSION 1893526 · TMA1114432 | EIGHT PAW PROJECTS LIMITED | 3 Cosmetics9 Electronics14 Jewellery+5 | Registered | 2021 |
| COOLISION 1504288 · TMA862838 · design | Owner not shown | 29 Meat30 Coffee | Registered | 2013 |
| COALISION 1152857 · TMA606522 | Lolë Brands Canada ULC | 9 Electronics18 Leather25 Clothing+4 | Registered | 2004 |
| COLLASKINS 2180169 · TMA1229468 · design | 80354 Newfoundland and Labrador Limited, DBA: 3F Waste Recovery | 31 Fresh | Registered | 2024 |
| CALLYSONIC 2066692 · TMA1174532 | Zhengzhou Chengwei Electronic Commerce Co. Ltd. | 21 Housewares | Registered | 2023 |
| CELLSENSING 1705272 · TMA1064358 | THERALASE TECHNOLOGIES INC. | 10 Medical | Registered | 2019 |
| CELLUSION 2230633 | Cellusion Inc. | 5 Pharmaceuticals42 Science44 Medical | Pending | 2022 |
| COOLOGIN 2240421 · TMA1261502 · design | Shenzhen vsann Technology Co. Ltd | 6 Metal8 Hand | Registered | 2024 |
| CLOAKINE 2223262 · TMA1244491 | REGENERON PHARMACEUTICALS, INC. | 42 Science | Registered | 2024 |
| CLIGANIC 2189489 · TMA1261263 | A to Z Beauty, LLC | 3 Cosmetics5 Pharmaceuticals | Registered | 2024 |
| CLIGANIC 2188317 · TMA1261258 | A to Z Beauty, LLC | 3 Cosmetics8 Hand | Registered | 2024 |
| CHILLSENSE 2163719 · TMA1272489 | Unifi, Inc. | 20 Furniture23 Yarns24 Textiles+1 | Registered | 2024 |
| CLICHOME 2148965 · TMA1242438 | Pelican Creations Inc. | 20 Furniture | Registered | 2024 |
| CLEESINK 2124433 · TMA1188503 · design | Hangzhou Cleesink Mechanical & Electrical Co. Ltd | 11 Lighting | Registered | 2023 |
| CLEESINK 2124431 · TMA1188501 | Hangzhou Cleesink Mechanical & Electrical Co. Ltd | 7 Machines | Registered | 2023 |
| Coolzon 2110286 · TMA1179251 | Shenzhen Kuyu Development Company Limited | 24 Textiles | Registered | 2023 |