
| Serial Number | 99357977 |
| Word Mark | CALLIO THERAPEUTICS |
| Filing Date | Tuesday, August 26, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, July 7, 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, July 7, 2026 |
| NOT AVAILABLE | "THERAPEUTICS" |
| Goods and Services | Research and development in the fields of pharmaceuticals, biologics, chemistry, protein engineering, proteins and derivatives, antibody-drug conjugates, immunostimulatory antibody-drug conjugates, antibodies with multiple drug or cytokine conjugates, multispecific antibodies, and engineered antibodies, oncology; Providing medical scientific research information in the fields of pharmaceuticals, biologics, chemistry, protein engineering, proteins and derivatives, antibody-drug conjugates, immunostimulatory anti-drug conjugates, antibodies with multiple drug or cytokine conjugates, multispecific antibodies, and engineered antibodies, oncology, and immunology; Drug discovery, custom design, and development services featuring therapeutic agents for the treatment and prevention of diseases; Scientific investigations for medical purposes; Scientific research in the nature of conducting clinical trials for others. |
| Goods and Services | Pharmaceutical and biological preparations for treating cancer; Pharmaceuticals and biological preparations for prophylactic, diagnostic, and therapeutic use in treating, preventing, and managing cancer; Therapeutic agents for medical use, namely, proteins and derivatives, antibody-drug conjugates, immunostimulatory antibody-drug conjugates, antibodies with multiple drug or cytokine conjugates, multispecific antibodies, and engineered antibodies for treating cancer; Pharmaceutical and biological preparations for the prevention, diagnosis and treatment of cancer for clinical, medicinal, therapeutic and diagnostic purposes; Pharmaceutical and biological preparations for use in oncology for treating cancer |
| Goods and Services | Custom manufacturing of pharmaceuticals and therapeutic agents for medical use |
| International Class | 005 - Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides. |
| US Class Codes | 005, 006, 018, 044, 046, 051, 052 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, August 26, 2025 |
| Primary Code | 005 |
| 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 | Tuesday, August 26, 2025 |
| Primary Code | 040 |
| 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 | Tuesday, August 26, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Callio Operating Co, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Seattle, WA 98101 US |
| Party Name | Callio Operating Co, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Seattle, WA 98101 US |
| Event Date | Event Description |
| Tuesday, August 26, 2025 | NEW APPLICATION ENTERED |
| Tuesday, August 26, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, January 14, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, January 15, 2026 | ASSIGNED TO EXAMINER |
| Wednesday, January 21, 2026 | NON-FINAL ACTION WRITTEN |
| Wednesday, January 21, 2026 | NON-FINAL ACTION E-MAILED |
| Wednesday, January 21, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Tuesday, April 21, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Tuesday, April 21, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, April 22, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Tuesday, June 9, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Tuesday, June 9, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Tuesday, June 9, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Tuesday, June 9, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Tuesday, June 9, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Wednesday, July 1, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, July 7, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, July 7, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |