| Serial Number | 98843767 |
| Word Mark | BIRCHTECH |
| Filing Date | Friday, November 8, 2024 |
| Status | 645 - FINAL REFUSAL - MAILED |
| Status Date | Tuesday, July 15, 2025 |
| 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 | providing services and technologies for cleaner water and air, namely, environmental remediation services in the treatment of water and air |
| Goods and Services | environmental services, namely technical consultation in the field of environmental science; environmental engineering, testing, and inspection services; engineering services in the field of environmental compliance |
| International Class | 040 - Treatment of materials. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Monday, July 21, 2025 |
| Primary Code | 040 |
| First Use Anywhere Date | Tuesday, October 15, 2024 |
| First Use In Commerce Date | Tuesday, October 15, 2024 |
| 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 | Friday, November 8, 2024 |
| Primary Code | 042 |
| First Use Anywhere Date | Tuesday, October 15, 2024 |
| First Use In Commerce Date | Tuesday, October 15, 2024 |
| Party Name | Birchtech Corp. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Corsicana, TX 75109 |
| Event Date | Event Description |
| Saturday, April 26, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, November 8, 2024 | NEW APPLICATION ENTERED |
| Wednesday, May 14, 2025 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Wednesday, May 14, 2025 | NON-FINAL ACTION WRITTEN |
| Wednesday, May 14, 2025 | NON-FINAL ACTION E-MAILED |
| Wednesday, May 28, 2025 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, May 28, 2025 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Wednesday, May 28, 2025 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Tuesday, July 15, 2025 | FINAL REFUSAL E-MAILED |
| Tuesday, July 15, 2025 | NOTIFICATION OF FINAL REFUSAL EMAILED |
| Tuesday, July 15, 2025 | FINAL REFUSAL WRITTEN |
| Tuesday, May 6, 2025 | ASSIGNED TO EXAMINER |
| Monday, July 21, 2025 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, July 21, 2025 | TEAS REQUEST FOR RECONSIDERATION RECEIVED |
| Monday, July 21, 2025 | TEAS/EMAIL CORRESPONDENCE ENTERED |