
| Serial Number | 99518588 |
| Word Mark | PORTALSIX |
| Filing Date | Wednesday, November 26, 2025 |
| Status | 700 - REGISTERED |
| Status Date | Tuesday, June 16, 2026 |
| Registration Number | 8304538 |
| Registration Date | Tuesday, June 16, 2026 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, April 28, 2026 |
| Goods and Services | Software as a service (SaaS) services featuring decentralized, non-downloadable software using post-quantum cryptography for secure, cross-boundary information exchange and encrypted data transfer that is agnostic to underlying network security protocols; providing temporary use of non-downloadable cloud-based software operating on a decentralized architecture for quantum-resistant encrypted communication and quantum-safe secure file sharing across organizational, national, and regulatory boundaries without reliance on centralized certificate authorities or specific network security protocols; providing online non-downloadable, decentralized software platforms using post-quantum cryptographic algorithms for protocol-agnostic, secure transmission of sensitive data between entities operating under differing or incompatible network security environments. |
| Pseudo Mark | PORTAL SIX |
| 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 | Wednesday, November 26, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | Friday, November 21, 2025 |
| First Use In Commerce Date | Friday, November 21, 2025 |
| Party Name | SIX3RO, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Alexandria, VA 22304 US |
| Party Name | SIX3RO, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Alexandria, VA 22304 US |
| Party Name | SIX3RO, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Alexandria, VA 22304 US |
| Event Date | Event Description |
| Wednesday, November 26, 2025 | NEW APPLICATION ENTERED |
| Wednesday, November 26, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, February 12, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, March 31, 2026 | ASSIGNED TO EXAMINER |
| Wednesday, April 1, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, April 22, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, April 28, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, April 28, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, June 16, 2026 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, June 16, 2026 | NOTICE OF REGISTRATION CONFIRMATION EMAILED |