This document is a publication of a European patent application (EP4019536A1) related to immunocytokines, their preparation, and therapeutic uses. The patent was published by the European Patent Office (EPO) on March 11, 2026, and lists YiChen Therapeutics Limited as the applicant. The application includes various International Patent Classification (IPC) codes related to peptides, antibodies, and their therapeutic applications, particularly in treating cancer.

As this is a patent publication, it does not impose direct compliance obligations on regulated entities. However, it signifies potential new intellectual property in the field of biopharmaceuticals, which may impact future research, development, and commercialization strategies for companies operating in the pharmaceutical and biotechnology sectors. Companies involved in immunocytokine research should review this patent for potential licensing opportunities or to understand the competitive landscape.