| Serial Number | 99368503 |
| Word Mark | STACKFAST |
| Filing Date | Monday, September 1, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, February 17, 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, February 17, 2026 |
| Pseudo Mark | STACK FAST |
| Goods and Services | Consultancy in the field of artificial intelligence (AI) technology |
| 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 | Monday, September 1, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | StackFast Technologies Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Sioux Falls, SD 57104 |
| Party Name | StackFast Technologies Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Sioux Falls, SD 57104 |
| Event Date | Event Description |
| Monday, September 1, 2025 | NEW APPLICATION ENTERED |
| Monday, September 1, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, January 21, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, January 22, 2026 | ASSIGNED TO EXAMINER |
| Friday, January 23, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Friday, January 23, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Friday, January 23, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Friday, January 23, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Friday, January 23, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, February 11, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, February 17, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, February 17, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |