| Serial Number | 99451684 |
| Word Mark | PURE STACK |
| Filing Date | Monday, October 20, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, April 7, 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, April 7, 2026 |
| NOT AVAILABLE | "STACK" |
| Goods and Services | IT consulting services relating to installation, maintenance and repair of computer software; Computer services, namely, remote management of the information technology (IT) systems of others; Monitoring of computer systems to detect cybersecurity incidents |
| Goods and Services | IT consulting services relating to installation, maintenance and repair of computer hardware |
| International Class | 037 - Building construction; repair; installation services. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Monday, October 20, 2025 |
| Primary Code | 037 |
| First Use Anywhere Date | Friday, February 21, 2025 |
| First Use In Commerce Date | Friday, February 21, 2025 |
| 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, October 20, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | Friday, February 21, 2025 |
| First Use In Commerce Date | Friday, February 21, 2025 |
| Party Name | Pure Stack Inc |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Newark, CA 94560 US |
| Party Name | Pure Stack Inc |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Newark, CA 94560 US |
| Event Date | Event Description |
| Monday, October 20, 2025 | NEW APPLICATION ENTERED |
| Thursday, November 20, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, March 4, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, March 6, 2026 | ASSIGNED TO EXAMINER |
| Thursday, March 12, 2026 | NON-FINAL ACTION WRITTEN |
| Thursday, March 12, 2026 | NON-FINAL ACTION E-MAILED |
| Thursday, March 12, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Thursday, March 12, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Thursday, March 12, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, March 12, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Monday, March 16, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, April 1, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, April 7, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, April 7, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |