Patrick M. Caldwell

Protein Design Labs, Inc. is a biopharmaceutical company focused on the research, development and commercialization of novel therapies for inflammation and autoimmune diseases, acute cardiac conditions and cancer. PDL markets several biopharmaceutical products in the United States through its hospital sales force and wholly-owned subsidiary, ESP Pharma, Inc. As a company of development of humanized antibodies, It has licensed its patents to numerous pharmaceutical and biotechnology companies, some of which are now paying royalties on net sales of licensed products.

BioSpecifics Technologies Corp. engages in the development of an injectable collagenase clostridium histolyticum for multiple indications. It sells its products under the brand XIAFLEX. The company was founded in 1990 and is headquartered in Lynbrook, NY.