| Serial Number | 79441929 |
| Word Mark | KILLISPAN |
| Filing Date | Wednesday, November 19, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Wednesday, June 24, 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 14, 2026 |
| Goods and Services | Services for assessing the efficiency of pharmaceuticals, namely, quality control of pharmaceuticals for others; analysis and evaluation of medical product development, namely, quality control of medical products for others; scientific research in the field of biomedicine; providing medical and scientific research information in the field of pharmaceuticals and clinical trials; genetic testing of laboratory animals for research purposes; conducting early evaluations in the field of new pharmaceuticals; drug discovery services; conducting early evaluations in the field of new pharmaceuticals; research and development of pharmaceuticals using killifish |
| Pseudo Mark | KILLI SPAN |
| 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, January 22, 2026 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | ieumBio Co., Ltd. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 99 - Other |
| Address | KR |
| Event Date | Event Description |
| Thursday, January 22, 2026 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Wednesday, January 28, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Wednesday, January 28, 2026 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, March 25, 2026 | ASSIGNED TO EXAMINER |
| Wednesday, April 1, 2026 | NON-FINAL ACTION WRITTEN |
| Thursday, April 2, 2026 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |
| Thursday, May 21, 2026 | REFUSAL PROCESSED BY MPU |
| Thursday, May 21, 2026 | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB |
| Friday, May 29, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Friday, May 29, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Saturday, May 30, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Thursday, June 4, 2026 | REFUSAL PROCESSED BY IB |
| Tuesday, June 16, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |