| Serial Number | 99193937 |
| Word Mark | MEMPOOL ACCELERATOR |
| Filing Date | Tuesday, May 20, 2025 |
| Status | 645 - FINAL REFUSAL - MAILED |
| Status Date | Thursday, January 29, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | Downloadable computer software for submitting pending cryptocurrency transactions into a priority memory pool queue to be mined into blocks on a blockchain |
| Description of Mark | The mark consists of a plurality of stylized plus signs arranged in a scattered formation to the left of the wording "mempool accelerator" in lowercase letters. The word "mempool" appears directly above the word "accelerator", which is italicized. |
| Goods and Services | Application service provider featuring application programming interface (API) software for submitting pending cryptocurrency transactions into a priority memory pool queue to be mined into blocks on a blockchain |
| NOT AVAILABLE | "MEMPOOL ACCELERATOR" in International Classes 9 and 42 |
| Goods and Services | Hats; Loungewear; Socks; Sweaters; Sweatshirts; Hooded sweatshirts; T-shirts; Tank tops |
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, May 20, 2025 |
| Primary Code | 009 |
| First Use Anywhere Date | Thursday, November 23, 2023 |
| First Use In Commerce Date | Saturday, August 24, 2024 |
| International Class | 025 - Clothing, footwear, headgear. |
| US Class Codes | 022, 039 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, May 20, 2025 |
| Primary Code | 025 |
| First Use Anywhere Date | Thursday, June 29, 2023 |
| First Use In Commerce Date | Thursday, November 23, 2023 |
| 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, May 20, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | Thursday, November 23, 2023 |
| First Use In Commerce Date | Monday, July 29, 2024 |
| Party Name | Mempool Space K.K. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Minato, Tokyo 106-6116 JP |
| Event Date | Event Description |
| Tuesday, May 20, 2025 | NEW APPLICATION ENTERED |
| Tuesday, May 20, 2025 | APPLICATION FILING RECEIPT MAILED |
| Sunday, September 28, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Sunday, September 28, 2025 | NOTICE OF DESIGN SEARCH CODE E-MAILED |
| Wednesday, October 1, 2025 | ASSIGNED TO EXAMINER |
| Wednesday, October 8, 2025 | NON-FINAL ACTION WRITTEN |
| Wednesday, October 8, 2025 | NON-FINAL ACTION E-MAILED |
| Wednesday, October 8, 2025 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Wednesday, January 7, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Wednesday, January 7, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, January 7, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Thursday, January 29, 2026 | FINAL REFUSAL WRITTEN |
| Thursday, January 29, 2026 | FINAL REFUSAL E-MAILED |
| Thursday, January 29, 2026 | NOTIFICATION OF FINAL REFUSAL EMAILED |