| Serial Number | 99519815 |
| Word Mark | SELFCHAIN |
| Filing Date | Friday, November 28, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, May 19, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, May 19, 2026 |
| Goods and Services | Computer programming of smart contracts on a blockchain; User authentication services using blockchain technology for cryptocurrency transactions; Providing a secure, web-based service featuring technology that enables individuals to remotely create and manage their own accounts so that whatever private content they upload now can be encrypted, then delivered to their intended recipients, at the time and in the manner requested |
| Goods and Services | Downloadable computer programs for use in data management using blockchain technology |
| Pseudo Mark | SELF CHAIN |
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Friday, November 28, 2025 |
| Primary Code | 009 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| 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, November 28, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | SelfChain, LLC |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Monkton, MD 21111-9998 US |
| Party Name | SelfChain, LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Monkton, MD 21111-9998 US |
| Event Date | Event Description |
| Friday, November 28, 2025 | NEW APPLICATION ENTERED |
| Friday, November 28, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, February 12, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, March 31, 2026 | ASSIGNED TO EXAMINER |
| Friday, April 24, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, May 13, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, May 19, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, May 19, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |