| CYPHOS 0843977 · TMA493085 | CYTEC TECHNOLOGY CORP. (A DELAWARE CORPORATION) | 1 Chemicals | Registered | 1998 |
| CPAS 0769270 · TMA455987 | AVENU SLGS HOLDINGS, LLC | 16 Paper41 Education42 Science+1 | Registered | 1996 |
| CAPSS 0911781 | CAPSS Christian Association of Pregnancy Support Services | 1 Chemicals2 Paints3 Cosmetics+42 | Pending | 2000 |
| CABASSE 1014666 · TMA547582 | Owner not shown | 9 Electronics | Registered | 2001 |
| CHIEFX 2281102 · TMA1247370 | Owner not listed | 41 Education | Registered | 2024 |
| CHIPZI 2249065 · TMA1264552 | Carma Games, LLC | 28 Toys | Registered | 2024 |
| Cavehaus 2231253 · TMA1255156 | an individual | 9 Electronics35 Advertising | Registered | 2024 |
| CBUS 2227190 · TMA1267009 | an individual | 9 Electronics | Registered | 2024 |
| CAPOXO 2221597 · TMA1252475 | MankaLa intellectual property LLC | 9 Electronics | Registered | 2024 |
| CFX 2216623 · TMA1248304 | Franklin Sports, Inc. | 28 Toys | Registered | 2024 |
| CAPEESH 2215069 · TMA1233942 · design | an individual | 25 Clothing | Registered | 2024 |
| CCJPX 2202940 · TMA1239892 | an individual | 18 Leather | Registered | 2024 |
| CHIPOYS 2199502 · TMA1224605 | EDM Snacking LLC | 30 Coffee | Registered | 2024 |
| CAPSA 2196219 · TMA1220759 | an individual | 2 Paints7 Machines42 Science | Registered | 2024 |
| COBEC 2180356 · TMA1229485 | Shenzhen Zhuochuangxin IoT Technology Co. Ltd. | 25 Clothing | Registered | 2024 |
| CIBSS 2178611 · TMA1228241 · design | Shenzhen Jacaband Plastic Products CO. Ltd. | 18 Leather21 Housewares | Registered | 2024 |
| COPS 2172917 · TMA1265369 | Studio Cops Ltd. | 29 Meat30 Coffee43 Restaurants | Registered | 2024 |
| CIVIC 2165529 · TMA1242473 | Civic Technologies, Inc. | 9 Electronics42 Science | Registered | 2024 |
| CSVC 2161088 · TMA1196023 · design | CHINA STEEL AND NIPPON STEELVIETNAM JOINT STOCK COMPANY | 6 Metal | Registered | 2023 |
| COWBUCHA 2158639 · TMA1232261 | FONTERRA TM LIMITED | 5 Pharmaceuticals31 Fresh | Registered | 2024 |
| COFACE 2157829 · TMA1218369 · design | Shenzhen Yichen Shidai Trading Co. Ltd. | 25 Clothing | Registered | 2024 |
| CPX 2157632 · TMA1254842 | an individual | 1 Chemicals2 Paints4 Oils | Registered | 2024 |
| CUPSHE 2155641 · TMA1207763 · design | NANJING KAPEIXI NETWORK TECHNOLOGY CO. LTD | 9 Electronics28 Toys35 Advertising | Registered | 2023 |
| CBC 2152894 · TMA1205396 · design | Canada Best Custom Manufacturing Inc. | 20 Furniture24 Textiles | Registered | 2023 |
| CPG 2149520 · TMA1215340 · design | an individual | 7 Machines | Registered | 2023 |