| COGENT 1733560 · TMA1073272 | ICU Medical, Inc. | 10 Medical | Registered | 2020 |
| COGENT 1685965 · TMA977722 | Cogent Breeding Limited | 1 Chemicals5 Pharmaceuticals31 Fresh+6 | Registered | 2017 |
| COGENTX 1387318 · TMA756636 | COGENTX CORPORATION | 9 Electronics14 Jewellery16 Paper+7 | Registered | 2010 |
| COGENT 1115497 · TMA607709 | COGENT POWER LIMITED a limited company | 6 Metal7 Machines9 Electronics+1 | Registered | 2004 |
| COGENT 0789849 · TMA545672 | Nortel Networks Limited | 35 Advertising36 Finance38 Telecommunications | Registered | 2001 |
| COGNITA 2355866 | Owner not listed | 41 Education | Pending | 2024 |
| COGNITO 2317886 | WARREN RUPP, INC. | 7 Machines | Pending | 2024 |
| COGENT 2069367 | Cogent Industrial Technologies Ltd. | 42 Science | Pending | 2020 |
| COGENT 1994986 | Cogent International Manufacturing Ltd. | 40 Treatment42 Science | Pending | 2019 |
| COGNETIVITY 2158401 | COGNETIVITY LIMITED | 9 Electronics10 Medical42 Science+1 | Pending | 2021 |
| CASNITY 2095624 · TMA1181638 | Guangzhou Shoujia Electronic Technology Co.Ltd. | 21 Housewares | Registered | 2023 |
| CYGENTA 1954668 · TMA1283633 | CYGENTA LIMITED | 9 Electronics41 Education42 Science+1 | Registered | 2025 |
| CIGENT 1924334 · TMA1117249 | Cigent Technology, Inc. | 9 Electronics | Registered | 2022 |
| COSENTYX 1752628 · TMA982222 | an individual | 5 Pharmaceuticals | Registered | 2017 |
| COCONUT 1624616 · TMA884060 | AMERICAN GIRL, LLC | 28 Toys | Registered | 2014 |
| COSENTYX 1615745 · TMA907393 | an individual | 5 Pharmaceuticals | Registered | 2015 |
| COGNITEC 1312367 · TMA797184 | Cognitec Systems GmbH | 9 Electronics11 Lighting14 Jewellery+1 | Registered | 2011 |
| COSENTINO 1225254 · TMA778996 | an individual | 19 Building | Registered | 2010 |
| COGNITUV 2249615 | COGNITUV, LLC | 9 Electronics10 Medical11 Lighting+1 | Pending | 2023 |
| Cognitag 2237269 | Owner not shown | 9 Electronics42 Science | Pending | 2023 |
| Cognota 2183976 | Cognota Inc. | 41 Education42 Science | Pending | 2022 |
| COCONUT 2071386 | TTP INVESTMENTS LIMITED | 9 Electronics35 Advertising41 Education+2 | Pending | 2020 |
| COGNYTE 2054610 | Cognyte Technologies Israel Ltd | 9 Electronics42 Science | Pending | 2020 |
| COGNYTE 2054609 · design | Cognyte Technologies Israel Ltd | 9 Electronics42 Science | Pending | 2020 |
| COGENTAINER 1103520 · TMA607934 | Caterpillar Energy Solutions GmbH | 7 Machines9 Electronics11 Lighting+1 | Registered | 2004 |