PARSIPPANY, N.J.--(BUSINESS WIRE)--Denmark-based LEO Pharma, a global leader in dermatology and critical care, today announced its official launch in the U.S. Headquartered in Parsippany, New Jersey, LEO Pharma U.S. will be one of the largest individual operations in the pharmaceutical company’s network of worldwide affiliates and is expected to contribute significantly to the company revenues in 2010. The U.S. operation will initially market the company’s psoriasis franchise.