The European Patent Office (EPO) has granted patent EP3867354B1, titled 'Compositions for and Methods of Producing Tumor Organoids.' This patent, effective March 18, 2026, covers specific methods and compositions related to the production of tumor organoids, a key technology in cancer research and drug development. The inventors listed are Raghu Kalluri, Valerie Lebleu, and Yang Chen.

This grant establishes a new intellectual property right for the patent holders within the designated European states. Companies and researchers operating in the biotechnology and pharmaceutical sectors, particularly those involved in cancer research, drug discovery, and organoid technology, should be aware of this patent. Compliance officers should ensure that their organization's activities related to tumor organoid production do not infringe upon the claims of this patent, especially as it pertains to the designated states.