| Serial Number | 99507948 |
| Word Mark | DEEP FISSION |
| Filing Date | Thursday, November 20, 2025 |
| Status | 630 - NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER |
| Status Date | Thursday, November 20, 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 | Training in the use and operation of nuclear power systems |
| Goods and Services | Nuclear engineering services; Scientific research in the field of nuclear energy; Consulting services in the field of nuclear energy production; Software as a service (SaaS) featuring software for providing information in the field of nuclear energy production, providing training in the field of nuclear energy production, providing regulatory information in the field of nuclear energy; Providing temporary use of online non-downloadable chatbot software for providing information and resources in the field of subsurface nuclear energy |
| Goods and Services | Installation, repair and maintenance of nuclear reactors; Installation, repair and maintenance of machinery for generating electricity; Consulting services in the field of repair and maintenance of nuclear reactors |
| Goods and Services | Small modular nuclear reactors; Nuclear reactors and structural parts therefor |
| Goods and Services | Electricity generation; Nuclear fuel recycling; Nuclear fuel reprocessing; Nuclear waste treatment |
| Goods and Services | Printed publications, namely, text books and scientific journals |
| International Class | 011 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply, and sanitary purposes. |
| US Class Codes | 013, 021, 023, 024, 031, 034 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, November 20, 2025 |
| Primary Code | 011 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 016 - Paper, cardboard and goods made from these materials, not included in other classes; printed matter; bookbinding material; photographs; stationery; adhesives for stationery or household purposes; artists' materials; paint brushes; typewriters and office requisites (except furniture); instructional and teaching material (except apparatus); plastic materials for packaging (not included in other classes); printers' type; printing blocks. |
| US Class Codes | 002, 005, 022, 023, 029, 037, 038, 050 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, November 20, 2025 |
| Primary Code | 016 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 037 - Building construction; repair; installation services. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, November 20, 2025 |
| Primary Code | 037 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 040 - Treatment of materials. |
| US Class Codes | 100, 103, 106 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, November 20, 2025 |
| Primary Code | 040 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 041 - Education; providing of training; entertainment; sporting and cultural activities. |
| US Class Codes | 100, 101, 107 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, November 20, 2025 |
| Primary Code | 041 |
| 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, November 20, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Deep Fission, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Berkeley, CA 94705 |
| Event Date | Event Description |
| Thursday, November 20, 2025 | NEW APPLICATION ENTERED |
| Thursday, November 20, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, November 20, 2025 | APPLICATION FILING RECEIPT MAILED |