Merck KGaA operates as a science and technology company in Germany and internationally. It operates through Life Science, Healthcare, and Electronics segments. The Life Science segment offers tools, chemicals, and equipment for academic labs, biotech, and pharmaceutical manufacturers, as well as the industrial sector. This segment offers science and lab solutions comprising reagents, consumables, devices, instruments, software, and services for research, production, and testing; process solutions consisting of filtration devices, chromatography resins, single-use systems, process chemicals, and excipients; and life science services, such as monoclonal antibodies, high-potency active pharmaceutical ingredients, antibody-drug conjugates, and viral and gene therapy products, as well as contract development, manufacturing, and testing services. Its Healthcare segment discovers, develops, manufactures, and markets prescription drugs and biopharmaceuticals for the treatment of oncology, neurology and immunology, fertility, cardiovascular, metabolism, and endocrinology disorders; and provides general medicines, injection devices, and disease monitoring software. The Electronics segment supplies materials comprising thin films, patterning and planarization formulations, specialty gases, optronics, and optical metrology equipment for the semiconductor and display industries, as well as provides delivery systems and services. It has in-licensing agreements with Jiangsu Hengrui Pharmaceuticals Co. Ltd. for developing, manufacturing, and commercializing drug candidates for the treatment of metastatic colorectal cancer; and Abbisko Therapeutics Co. Ltd. for developing and commercializing of drug candidates for the treatment of tenosynovial giant cell tumor. The company was founded in 1668 and is headquartered in Darmstadt, Germany. Merck KGaA is a subsidiary of E. Merck KG.