Mayne Pharma Group Ltd. operates as a pharmaceutical company, which develops and manufactures proprietary and generic products. It operates through the following business segments: Mayne Pharma International, U.S. Products and Metrics Contract Services. The Mayne Pharma International segment engages in the manufacturing and selling of branded and generic pharmaceutical products globally and provides contract manufacturing services to third party customers within Australia. The U.S. Products segment engages in the manufacturing and distribution of generic and branded pharmaceutical products. The Metrics Contract Services segment engages in providing contract pharmaceutical development services to third-party customers. The company was founded in 1845 and is headquartered in Salisbury, Australia.