Patent Rights Master Agreement and Research License Agreement Sample Contracts

Confidential treatment has been requested for portions of this exhibit. The copy filed herewith omits the information subject to the confidentiality request. Omissions are designated as [*]. PATENT RIGHTS MASTER AGREEMENT AND RESEARCH LICENSE AGREEMENT

Patent Rights Master Agreement and Research License Agreement • May 10th, 2004 • Seattle Genetics Inc /Wa • Biological products, (no disgnostic substances) • California

• Contract Type
  Patent Rights Master Agreement and Research License Agreement
• Filed
  May 10th, 2004
• Company
  Seattle Genetics Inc /Wa
• Industry
  Biological products, (no disgnostic substances)
• Jurisdiction
  California

This PATENT RIGHTS MASTER AGREEMENT AND RESEARCH LICENSE AGREEMENT (the “Agreement”) is entered into as of January 9, 2004 (the “Effective Date”) by and between PROTEIN DESIGN LABS, INC., a Delaware corporation having its principal office at 34801 Campus Drive, Fremont, California 94555 (“PDL”), and Seattle Genetics, Inc., a Delaware corporation having its principal office at 21823 30th Drive Southeast, Bothell, Washington 98021 (“Seattle Genetics”).