CSL Limited is an Australia-based company. The Company is engaged in the research, development, manufacture, marketing and distribution of biopharmaceutical and allied products. The Company operates in three segments: CSL Behring, Intellectual Property Licensing and Other Human Health. CSL Behring manufactures markets and develops plasma products. Intellectual Property Licensing includes revenue and associated expenses from the licensing of Intellectual Property generated by the Group to unrelated third parties. Other Human Health consists of CSL Bioplasma and CSL Biotherapies. These businesses manufacture and distribute biotherapeutic products. It operates in four geographic areas: Australia, the United States of America, Switzerland, and Germany. Its subsidiaries include CSL Employee Share Trust, CSL Biotherapies Pty Ltd, Cervax Pty Ltd, CSL Biotherapies (NZ) Limited, Iscotec AB, Zenyth Therapeutics Pty Ltd, CSL International Pty Ltd and CSL Finance Pty Ltd.