Christopher L. Stone

Christopher Stone, our Vice President, General Counsel and Secretary, joined the Company in February 2009. He brings more than 27 years of legal experience to the role. Before joining PDL, Mr. Stone served as Vice President of Legal Affairs and Corporate Secretary at LS9, an advanced biofuels development company, where his work included a focus on intellectual property protection, research collaborations and licensing. Prior to that time, he was Vice President of Intellectual Assets USA at Danisco A/S, a global producer of food ingredients, enzymes and bio-based solutions. From 1994 to 2005, Mr. Stone was with Genencor International, a biotechnology company which was acquired by Danisco in 2005, most recently as Vice President of Intellectual Property and General Patent Counsel. At Genencor, he handled all intellectual property matters, including developing and implementing an overall strategy for its domestic and international patent estate of approximately 3,700 patents and patent applications, intellectual property transactions including licensing and research collaboration management, and managed multiple litigation and interference proceedings and numerous European patent oppositions. Mr. Stone received a J.D. from the National Law Center at George Washington University and a B.S. in Biochemistry from the University of Massachusetts. He is an active member of the District of Columbia Bar, Nevada Bar and California Bar, and was admitted to practice before the United States Patent & Trademark Office in 1992.