| Serial Number | 86318155 |
| Word Mark | C BIOS |
| Filing Date | Tuesday, June 24, 2014 |
| Status | 710 - CANCELLED - SECTION 8 |
| Status Date | Friday, August 29, 2025 |
| Registration Number | 4688003 |
| Registration Date | Tuesday, February 17, 2015 |
| Mark Drawing | 5 - Drawing with word(s) / letter(s) / number(s) in Stylized form |
| Published for Opposition Date | Tuesday, December 2, 2014 |
| Description of Mark | The mark consists of the wording "C BIOS" in stylized font. |
| Indication of Colors claimed | Color is not claimed as a feature of the mark. |
| Goods and Services | Diagnostic reagents for clinical or medical laboratory use |
| International Class | 001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry. |
| US Class Codes | 001, 005, 006, 010, 026, 046 |
| Class Status Code | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Friday, August 29, 2025 |
| Primary Code | 001 |
| First Use Anywhere Date | Sunday, January 1, 2006 |
| First Use In Commerce Date | Sunday, January 1, 2006 |
| Party Name | Chemux Bioscience, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Hayward, CA 94545 |
| Party Name | Chemux Bioscience, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | South San Francisco, CA 94080 |
| Party Name | Chemux Bioscience, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | South San Francisco, CA 94080 |
| Event Date | Event Description |
| Friday, June 27, 2014 | NEW APPLICATION ENTERED |
| Tuesday, July 1, 2014 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Wednesday, July 2, 2014 | NOTICE OF DESIGN SEARCH CODE E-MAILED |
| Thursday, October 2, 2014 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, October 1, 2014 | ASSIGNED TO EXAMINER |
| Thursday, October 2, 2014 | EXAMINERS AMENDMENT -WRITTEN |
| Thursday, October 2, 2014 | EXAMINERS AMENDMENT E-MAILED |
| Thursday, October 2, 2014 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Thursday, October 2, 2014 | EXAMINER'S AMENDMENT ENTERED |
| Friday, October 24, 2014 | ASSIGNED TO LIE |
| Monday, October 27, 2014 | LAW OFFICE PUBLICATION REVIEW COMPLETED |
| Wednesday, November 12, 2014 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, December 2, 2014 | PUBLISHED FOR OPPOSITION |
| Tuesday, December 2, 2014 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, February 17, 2015 | REGISTERED-PRINCIPAL REGISTER |
| Monday, February 17, 2020 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Tuesday, August 17, 2021 | TEAS SECTION 8 RECEIVED |
| Thursday, January 27, 2022 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Thursday, January 27, 2022 | REGISTERED - SEC. 8 (6-YR) ACCEPTED |
| Thursday, January 27, 2022 | NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED |
| Saturday, February 17, 2024 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Friday, August 29, 2025 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 |