The Bayer GroupBayer Schering Pharma AG, Germany and Bayer HealthCare Pharmaceuticals Inc. together with Schering Corporation have filed a patent infringement lawsuit in the U.S. Federal Court in the District of Delaware against Teva Pharmaceuticals USA, Inc. and Teva Pharmaceutical Industries, Ltd. The lawsuit concerns Teva's application to the FDA for approval to market a generic form of Levitra®, Bayer Schering Pharma's therapy for the treatment of erectile dysfunction, prior to patent expiration. The patent at issue in the suit is Bayer Schering Pharma's U.S. Patent No. 6,362,178, expiring in 2018. In the US, Levitra® is marketed by Schering-Plough and GlaxoSmithKline.

About Bayer HealthCare
The Bayer Group is a global enterprise with core competencies in the fields of health care, nutrition and high-tech materials. Bayer HealthCare, a subsidiary of Bayer AG, is one of the world’s leading, innovative companies in the healthcare and medical products industry and is based in Leverkusen, Germany. The company combines the global activities of the Animal Health, Bayer Schering Pharma, Consumer Care and Medical Care divisions. Bayer HealthCare's aim is to discover and manufacture products that will improve human and animal health worldwide. Find more information at http://www.bayerhealthcare.com.

Bayer Schering Pharma is a worldwide leading specialty pharmaceutical company. Its research and business activities are focused on the following areas: Diagnostic Imaging, General Medicine, Specialty Medicine and Women's Healthcare. With innovative products, Bayer Schering Pharma aims for leading positions in specialized markets worldwide. Using new ideas, Bayer Schering Pharma aims to make a contribution to medical progress and strives to improve the quality of life. Find more information at http://www.bayerscheringpharma.de.