Merck Serono, the division for innovative small molecules and bio-pharmaceuticals of Merck, was established following the acquisition of Serono and the integration of its business with the former Merck Ethicals division. Headquartered in Geneva, Switzerland, Merck Serono discovers, develops, produces and commercializes innovative products to help patients with unmet medical needs. Its North American business operates in the United States and Canada under EMD Serono.