| Serial Number | 99408449 |
| Word Mark | 501CISO |
| Filing Date | Tuesday, September 23, 2025 |
| Status | 661 - RESPONSE AFTER NON-FINAL ACTION - ENTERED |
| Status Date | Wednesday, March 4, 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 | NOT AVAILABLE |
| Goods and Services | Technology consultation in the field of cybersecurity |
| Pseudo Mark | FIVE ZERO ONE CHIEF INFORMATION SECURITY OFFICER |
| Pseudo Mark | FIVE HUNDRED ONE CHIEF INFORMATION SECURITY OFFICER |
| Pseudo Mark | 501 CHIEF INFORMATION SECURITY OFFICER |
| Pseudo Mark | FIVE HUNDRED ONE CISO |
| Pseudo Mark | FIVE ZERO ONE CISO |
| 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 | Tuesday, September 23, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | Sunday, September 11, 2022 |
| First Use In Commerce Date | Sunday, September 11, 2022 |
| Party Name | ClearTone Consulting, LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Frederick, MD 21702 US |
| Event Date | Event Description |
| Tuesday, September 23, 2025 | NEW APPLICATION ENTERED |
| Tuesday, September 23, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, February 12, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, February 13, 2026 | ASSIGNED TO EXAMINER |
| Saturday, February 14, 2026 | NON-FINAL ACTION WRITTEN |
| Saturday, February 14, 2026 | NON-FINAL ACTION E-MAILED |
| Saturday, February 14, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Wednesday, March 4, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Wednesday, March 4, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, March 4, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |