| Serial Number | 99311521 |
| Word Mark | E4 |
| Filing Date | Wednesday, July 30, 2025 |
| Status | 700 - REGISTERED |
| Status Date | Tuesday, March 10, 2026 |
| Registration Number | 8166266 |
| Registration Date | Tuesday, March 10, 2026 |
| Mark Drawing | 3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, January 20, 2026 |
| Goods and Services | Security guard services; Night security guard service; Security guard services for the protection of property and individuals; Security guarding for facilities; Bodyguard services; Providing security surveillance of premises for others |
| Description of Mark | The mark consists of "E4" in a stylized format, presented in a cube design. |
| Pseudo Mark | E FOUR |
| International Class | 045 - Legal services; security services for the protection of property and individuals; personal and social services rendered by others to meet the needs of individuals. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, July 30, 2025 |
| Primary Code | 045 |
| First Use Anywhere Date | Wednesday, November 30, 2005 |
| First Use In Commerce Date | Wednesday, November 30, 2005 |
| Party Name | E4 Security, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Oakland, CA 94623 US |
| Party Name | E4 Security, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Oakland, CA 94623 US |
| Party Name | E4 Security, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Oakland, CA 94623 US |
| Event Date | Event Description |
| Wednesday, July 30, 2025 | NEW APPLICATION ENTERED |
| Wednesday, July 30, 2025 | APPLICATION FILING RECEIPT MAILED |
| Monday, December 8, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, December 8, 2025 | NOTICE OF DESIGN SEARCH CODE E-MAILED |
| Monday, December 15, 2025 | ASSIGNED TO EXAMINER |
| Wednesday, December 17, 2025 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, January 14, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, January 20, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, January 20, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, March 10, 2026 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, March 10, 2026 | NOTICE OF REGISTRATION CONFIRMATION EMAILED |