| Serial Number | 99192208 |
| Word Mark | LANGCHECK |
| Filing Date | Monday, May 19, 2025 |
| Status | 700 - REGISTERED |
| Status Date | Tuesday, May 19, 2026 |
| Registration Number | 8267230 |
| Registration Date | Tuesday, May 19, 2026 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | Electronic components for computers; Recorded computer operating programs; Downloadable computer operating programs |
| Pseudo Mark | LANGUAGE CHECK |
| Goods and Services | Computer programming and maintenance of computer programs; Consultancy in the field of artificial intelligence (AI) technology; Technology consultation in the field of artificial intelligence (AI); Rental of computers; Providing temporary use of on-line non-downloadable computer programs on data networks for testing and monitoring artificial intelligence-based systems; Software as a service (SAAS) services featuring software for testing and monitoring artificial intelligence-based systems; Providing on-line non-downloadable computer software for scientific and technical analysis of data using artificial intelligence |
| 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 | Monday, May 19, 2025 |
| Primary Code | 009 |
| 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 | Monday, May 19, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Citadel AI Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Bunkyo-ku, Tokyo 113-0023 JP |
| Party Name | Citadel AI Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Shibuya-ku, Tokyo 1510053 JP |
| Event Date | Event Description |
| Monday, May 19, 2025 | NEW APPLICATION ENTERED |
| Monday, May 19, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, September 25, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, September 30, 2025 | ASSIGNED TO EXAMINER |
| Tuesday, September 30, 2025 | NON-FINAL ACTION WRITTEN |
| Tuesday, September 30, 2025 | NON-FINAL ACTION E-MAILED |
| Tuesday, September 30, 2025 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Wednesday, December 10, 2025 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Wednesday, December 10, 2025 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, December 10, 2025 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Monday, March 9, 2026 | NON-FINAL ACTION WRITTEN |
| Monday, March 9, 2026 | NON-FINAL ACTION E-MAILED |
| Monday, March 9, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Friday, April 10, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Friday, April 10, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, April 10, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Thursday, April 16, 2026 | APPROVED FOR REGISTRATION SUPPLEMENTAL REGISTER |
| Friday, April 24, 2026 | ON HOLD - ELECTRONIC RECORD REVIEW REQUIRED |
| Tuesday, May 19, 2026 | REGISTERED-SUPPLEMENTAL REGISTER |
| Tuesday, May 19, 2026 | NOTICE OF REGISTRATION CONFIRMATION EMAILED |
| Tuesday, May 19, 2026 | NOTICE OF REGISTRATION CONFIRMATION EMAILED |
| Tuesday, May 19, 2026 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Tuesday, May 19, 2026 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Tuesday, May 19, 2026 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Tuesday, May 19, 2026 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Tuesday, May 19, 2026 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |