| COMPLIANT 2112575 · TMA1197679 · design | an individual | 42 Science | Registered | 2023 |
| COMPELLA 1720249 · TMA993850 | Hill-Rom Services, Inc. | 20 Furniture | Registered | 2018 |
| Complément+ 1631044 · TMA938354 | Owner not shown | 36 Finance | Registered | 2016 |
| COMPLEAT 0873903 · TMA574401 | Owner not shown | 5 Pharmaceuticals29 Meat | Registered | 2003 |
| COMPLET 0490438 · TMA278603 | Diversey, Inc. (a Delaware corporation) | 3 Cosmetics | Registered | 1983 |
| COMPLEMENT 2259791 | Owner not listed | 9 Electronics35 Advertising36 Finance+3 | Pending | 2023 |
| COMPLIMENTS 1938843 · TMA1161829 · design | Sobeys Capital Incorporated | 1 Chemicals3 Cosmetics5 Pharmaceuticals+13 | Registered | 2023 |
| COMPLIMENTS 1227876 · TMA675493 · design | Sobeys Capital Incorporated | 1 Chemicals3 Cosmetics4 Oils+16 | Registered | 2006 |
| COMPLIMENTS 1227875 · TMA675272 | Sobeys Capital Incorporated | 1 Chemicals3 Cosmetics4 Oils+17 | Registered | 2006 |
| COMPLIMENTS 2336449 | Owner not listed | 9 Electronics36 Finance45 Legal | Pending | 2024 |
| COMPLETE 2204287 · TMA1249699 | PrimeSource Building Products, Inc. (Delaware Corporation) | 6 Metal8 Hand | Registered | 2024 |
| Comfelie 2178787 · TMA1228961 | Shenzhen Xihe E-Commerce Co. Ltd. | 25 Clothing | Registered | 2024 |
| COMPLEOS 2164158 · TMA1198140 | CP KELCO U.S., INC. | 1 Chemicals | Registered | 2023 |
| COMPLAN 1973214 · TMA1267720 | Complan Foods Limited | 5 Pharmaceuticals | Registered | 2024 |
| COMPLAST 1888254 · TMA1084864 | an individual | 6 Metal | Registered | 2020 |
| CompleTest 1877444 · TMA1074713 | FLUROTECH LTD. | 9 Electronics | Registered | 2020 |
| COMPLEX 1876248 · TMA1117323 | Commerce Media Holdings, LLC | 35 Advertising38 Telecommunications41 Education+1 | Registered | 2022 |
| COMPLETE 1810110 · TMA1018619 | Masterchem Industries LLC | 2 Paints | Registered | 2019 |
| COMPLIT 1808891 · TMA1015189 · design | an individual | 25 Clothing26 Sewing | Registered | 2019 |
| COMPLETE 1799467 · TMA1045391 | NDL Industries Inc. | 11 Lighting | Registered | 2019 |
| CONFLUENT 1760653 · TMA1101585 | Confluent, Inc. | 9 Electronics42 Science | Registered | 2021 |
| COMPEL 1708121 · TMA987176 | Competitive Edge Leadership, LLC | 35 Advertising41 Education | Registered | 2017 |
| COMPLEX 1670929 · TMA957655 | Nutricia North America, Inc. | 5 Pharmaceuticals | Registered | 2016 |
| COMPLETE 1651867 · TMA888802 | Elswood Investment Corporation | 1 Chemicals3 Cosmetics6 Metal+8 | Registered | 2014 |
| COMPLETE 1625343 · TMA935891 · design | The Procter & Gamble Company | 5 Pharmaceuticals | Registered | 2016 |