PDL Biopharma

PDL BioPharma, Inc. engages in intellectual property asset management, and patent portfolio and related assets investment activities.

PDL BioPharma, Inc. engages in intellectual property asset management, and patent portfolio and related assets investment activities. Intellectual Property Patents The company has been issued patents in the United States and elsewhere, covering the humanization of antibodies, which are referred to as its Queen et al. patents.The company was founded as a Delaware corporation in 1986 under the name Protein Design Labs, Inc. and changed its name to PDL BioPharma, Inc. in 2006.