| Serial Number | 99426565 |
| Word Mark | C CARBIUM |
| Filing Date | Friday, October 3, 2025 |
| Status | 700 - REGISTERED |
| Status Date | Tuesday, May 12, 2026 |
| Registration Number | 8251503 |
| Registration Date | Tuesday, May 12, 2026 |
| Mark Drawing | 5 - Drawing with word(s) / letter(s) / number(s) in Stylized form |
| Published for Opposition Date | Tuesday, March 24, 2026 |
| Indication of Colors claimed | Color is not claimed as a feature of the mark. |
| Goods and Services | Providing online, non-downloadable software for processing cryptocurrency transactions using blockchain technology; Providing temporary use of online non-downloadable software for cryptocurrency trading; Providing temporary use of non-downloadable web-based decentralized applications (DApps) for cryptocurrency trading; Application service provider featuring application programming interface (API) software; Application service provider featuring application programming interface (API) software for enabling blockchain data access; Providing an on-line network environment featuring technology that enables users to share data in the field of decentralized finance (DeFi) and blockchain transactions; Software as a service (SAAS) services featuring software for application programming interfaces (APIs) for querying blockchain data and facilitating efficient blockchain transactions |
| Description of Mark | The mark consists of A stylized letter "C" to the left of the literal element "CARBIUM". |
| Pseudo Mark | CARBIUM CARBIUM |
| International Class | 042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Friday, October 3, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | Saturday, February 15, 2025 |
| First Use In Commerce Date | Saturday, February 15, 2025 |
| Party Name | CARBIUM |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | SHERIDAN, WY 82801 US |
| Party Name | CARBIUM |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | SHERIDAN, WY 82801 US |
| Party Name | CARBIUM |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | SHERIDAN, WY 82801 US |
| Event Date | Event Description |
| Friday, October 3, 2025 | NEW APPLICATION ENTERED |
| Friday, October 3, 2025 | APPLICATION FILING RECEIPT MAILED |
| Friday, February 20, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, February 23, 2026 | ASSIGNED TO EXAMINER |
| Thursday, February 26, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, March 18, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, March 24, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, March 24, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, May 12, 2026 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, May 12, 2026 | NOTICE OF REGISTRATION CONFIRMATION EMAILED |