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Key US Patent Granted on Antibodies Against GM-CSF to Treat Inflammatory Disorders


IP Position around MorphoSys’s MOR103 Program Significantly Strengthened

MorphoSys AG (FSE: MOR; Prime Standard Segment, TecDAX) and the University of Melbourne announced today that the U.S. Patent & Trademark Office (USPTO) has confirmed that it will issue U.S. Patent No. 7,455,836, covering key uses of antibodies against GM-CSF. The patent stems from a provisional patent application filed in the USPTO in 2000 by the University of Melbourne. In 2007, MorphoSys signed an agreement with the University of Melbourne, providing MorphoSys with an exclusive license to this patent family. The claims of the patent are directed to methods of ameliorating the effects of inflammation by administering to a patient an antibody directed against GM-CSF.

Human cytokine GM-CSF (Granulocyte macrophage-colony stimulating factor) is the target molecule of MorphoSys’s proprietary MOR103 antibody program for the treatment of rheumatoid arthritis (RA). MOR103 is the first fully human antibody against GM-CSF in clinical trials. The drug could offer an innovative treatment option for RA based on a mechanism of action distinct from anti-TNF and other competing approaches. In 2004, the market for biopharmaceuticals to treat RA amounted to US$ six billion worldwide and is expected to further increase to US$ 14 billion in 2009.

“This new patent provides us with broad protection for our proprietary antibody program MOR103 in the United States, which is by far the largest market for RA drugs”, commented Dr. Simon Moroney, Chief Executive Officer of MorphoSys AG. “Our patent portfolio around this promising antibody-based program now extends beyond the specific MOR103 lead antibody, itself, and we anticipate that MOR103 will find application in other inflammatory disorders as well.”

For further information please contact: Dr. Claudia Gutjahr-Löser, Head of Corporate Communications & Investor Relations, Tel: +49 (0) 89 / 899 27-122, or Mario Brkulj, Manager Corporate Communications & Investor Relations, Tel: +49 (0) 89 / 899 27-454,

About MOR103 to treat RA:
Rheumatoid arthritis (RA) is traditionally considered a chronic, inflammatory autoimmune disorder that causes the immune system to attack the joints and affects in particular a membrane, called synovium, which lines each movable joint. It is a disabling and painful inflammatory condition, which can lead to substantial loss of mobility due to pain and joint destruction. As a systemic disease, RA often affects extra-articular tissues throughout the body including the skin, blood vessels, heart, lungs, and muscles. The disease affects approximately 4-6 million people worldwide. In patients suffering from RA, white blood cells move from the bloodstream into the synovium. Here, these blood cells appear to play an important role in causing the synovial membrane to become inflamed. The HuCAL-based antibody MOR103 targets GM-CSF as a means to treat inflammatory diseases such as psoriasis, multiple sclerosis (MS), chronic obstructive pulmonary disease (COPD), asthma, and especially RA. The granulocyte macrophage colony-stimulating factor (GM-CSF) stimulates stem cells to produce granulocytes and macrophages and subsequently activates these differentiated immune cells. GM-CSF is part of the natural immune and inflammatory cascade but has also been identified as an inflammatory mediator in autoimmune disorders like RA leading to an increased production of pro-inflammatory cytokines, chemokines and proteases and thereby ultimately to articular destruction. By neutralizing GM-CSF the HuCAL-based antibody MOR103 reduces undesired proliferation and activation of inflammatory granulocytes and macrophages and intervenes in several pathophysiological pathways. More information and picture material is available at:

About MorphoSys:
MorphoSys is a publicly traded biotechnology company focused on the generation of fully human antibodies as a means to discover and develop innovative antibody-based drugs against life-threatening diseases. MorphoSys’s goal is to establish HuCAL as the technology of choice for antibody generation in research, diagnostics and therapeutic applications. The Company currently has therapeutic and research alliances with the majority of the world’s largest pharmaceutical companies including Boehringer Ingelheim, Centocor/Johnson & Johnson, Novartis, Pfizer and Roche. Within these partnerships, more than 50 therapeutic antibody programs are ongoing in which MorphoSys participates through exclusive license and milestones payments as well as royalties on any end products. Additionally, MorphoSys is active in the antibody research market through its AbD Serotec business unit. The business unit has operations in Germany (Munich), the U.S. (Raleigh, NC) and U.K. (Oxford). For further information please visit

HuCAL®, HuCAL GOLD® and RapMAT® are registered trademarks of MorphoSys AG

About The University of Melbourne / Melbourne Ventures:
Melbourne Ventures Pty Ltd is the technology commercialisation company of The University of Melbourne, one of the top 30 Universities in the world (Times Higher Education Supplement 2007). The University of Melbourne has more than 44,000 students and around 6,000 teaching, research and professional staff with a strong focus in human health. A wholly owned subsidiary of the University, Melbourne Ventures provides commercialisation and IP management expertise across the full breadth of faculties and departments, and is responsible for negotiating licences and investments for the transfer and commercialisation of University developed technologies. For further information please visit our website at

This communication contains certain forward-looking statements concerning the MorphoSys group of companies. The forward-looking statements contained herein represent the judgment of MorphoSys as of the date of this release and involve risks and uncertainties. Should actual conditions differ from the Company’s assumptions, actual results and actions may differ from those anticipated. MorphoSys does not intend to update any of these forward-looking statements as far as the wording of the relevant press release is concerned.


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