| Serial Number | 99541786 |
| Word Mark | SUN TZU |
| Filing Date | Thursday, December 11, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, July 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, July 7, 2026 |
| Goods and Services | Providing temporary use of online non-downloadable chatbot software for simulating interpersonal conversations via text, audio, and video messaging, and live chat; Providing temporary use of online non-downloadable chatbot software using artificial intelligence (AI) for simulating interpersonal conversations via text, audio, and video messaging, and live chat; Providing temporary use of online non-downloadable chatbot software using large language models (LLMs) for simulating interpersonal conversations via text, audio, and video messaging, and live chat |
| 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 | Thursday, December 11, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | Wednesday, December 3, 2025 |
| First Use In Commerce Date | Wednesday, December 3, 2025 |
| Party Name | Chatbuddy, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | New York, NY 10038 US |
| Party Name | Chatbuddy, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | New York, NY 10038 US |
| Event Date | Event Description |
| Thursday, December 11, 2025 | NEW APPLICATION ENTERED |
| Thursday, December 11, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, February 12, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Wednesday, April 15, 2026 | ASSIGNED TO EXAMINER |
| Tuesday, June 9, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, July 1, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, July 7, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, July 7, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |