| Serial Number | 79438793 |
| Word Mark | ISOBUTELY |
| Filing Date | Thursday, October 16, 2025 |
| Status | 641 - NON-FINAL ACTION - MAILED |
| Status Date | Monday, April 27, 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 | Studies and engineering work, namely, expert appraisals, evaluations, estimates, research, preparation of reports in the field of production of olefin blends; industrial plant design services; engineering and technical assistance services concerning industrial installations in the field of production of olefin blends. |
| Goods and Services | Chemical product processing services, namely conversion of ether into olefin blends and methyl tert-butyl ether into isobutene; information services, provision of advice and consultant services relating to the above-mentioned services. |
| International Class | 040 - Treatment of materials. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, December 11, 2025 |
| Primary Code | 040 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| 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 | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | AXENS |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 33 - NOT AVAILABLE |
| Address | XL |
| Event Date | Event Description |
| Thursday, December 11, 2025 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Tuesday, December 16, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, December 16, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, March 4, 2026 | ASSIGNED TO EXAMINER |
| Tuesday, March 17, 2026 | NON-FINAL ACTION WRITTEN |
| Wednesday, March 18, 2026 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |
| Monday, April 27, 2026 | REFUSAL PROCESSED BY MPU |
| Tuesday, April 28, 2026 | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB |
| Thursday, May 14, 2026 | REFUSAL PROCESSED BY IB |