Trademark Overview
On Tuesday, August 26, 2025, a trademark application was filed for CALLIO with the United States Patent and Trademark Office. The USPTO has given the CALLIO trademark a serial number of 99357964. The federal status of this trademark filing is RESPONSE AFTER NON-FINAL ACTION - ENTERED as of Wednesday, April 22, 2026. This trademark is owned by Callio Operating Co, Inc.. The CALLIO trademark is filed in the Pharmaceutical Products, Treatment & Processing of Materials Services, and Computer & Software Services & Scientific Services categories with the following description:
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.
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
Custom manufacturing of pharmaceuticals and therapeutic agents for medical use
