| Serial Number | 79439595 |
| Word Mark | CALIPSO |
| Filing Date | Thursday, October 23, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, June 16, 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 | Tuesday, June 16, 2026 |
| Pseudo Mark | CALYPSO |
| Goods and Services | Electrochemical probes being biosensors for the simultaneous measurement of pH, dissolved oxygen, dissolved carbon dioxide, conductivity and temperature, in the field of biopharmaceutical production |
| 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 | Thursday, December 18, 2025 |
| Primary Code | 009 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | CALIPSO SENSORS |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 34 - NOT AVAILABLE |
| Address | FR |
| Party Name | CALIPSO SENSORS |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 34 - NOT AVAILABLE |
| Address | FR |
| Event Date | Event Description |
| Thursday, December 18, 2025 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Tuesday, December 30, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, December 30, 2025 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, March 10, 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 |
| Tuesday, May 19, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Tuesday, May 19, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, May 19, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Wednesday, May 20, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, June 10, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, June 16, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, June 16, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |