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Kaustuv Das

Adjunct Professor


Patent Law


  • B.A., Mathematics, Vassar College, Phi Beta Kappa, 1989
  • M.S., Mathematics, California Institute of Technology, 1991
  • Ph.D., Mathematics, California Institute of Technology, 1994
  • J.D., University of Washington School of Law, 2003


Kaustuv M. Das has over twenty years of patent and trade secret litigation and licensing experience, and currently is a Vice President, IP Attorney with IPValue Management, Inc. where he focuses on patent prosecution, analysis, and monetization and on portfolio management. Before joining IPValue, he was the Chief Counsel, Intellectual Property for Intellectual Ventures, where he provided legal counsel across all of IV’s funds. Prior to that, he was in private practice and worked as in-house counsel in the semiconductor industry providing legal counsel on intellectual property-related issues affecting numerous technologies, including hybrid DRAM memory, flash memory, LED, display, and solar. Dr. Das received his Ph.D. from Caltech and taught undergraduate and graduate courses in mathematics for six years prior to embarking on his legal career. Dr. Das has worked for Perkins Coie, Davis Wright Tremaine, and Merchant & Gould and as licensing counsel for IPValue, IV, and Micron Technology, Inc. He has been teaching the Patent Law class at Seattle University for over twelve years.

Dr. Das is passionate about community service and pro bono activities and has argued immigration and prisoners' rights cases before the U.S. Court of Appeals for the Ninth Circuit and tenants’ rights cases in King County Superior Court. He has served on the Boards of the King County Bar Association, the King County Bar Foundation, the Asian Bar Association of Washington, and the South Asian Bar Association of Washington, and served as the President of the King County Bar Association in 2021-2022. He has also served on the Executive Committee of the WSBA's Intellectual Property Section and as one of the WSBA's representatives to the ABA House of Delegates. Dr. Das graduated with high honors, Order of the Coif, and The Order of Barristers from University of Washington Law School.

Dr. Das is admitted to practice before the United States Patent and Trademark Office, the Supreme Court of the United States, the Courts of Appeal for the Federal Circuit and the Ninth Circuit, and the United States District Courts for Idaho, the Northern District of Illinois, the Eastern District of Texas, and the Eastern and Western Districts of Washington. He has also litigated patent and trade secret cases in U.S. District Courts in California, Delaware, Florida, Maryland, Mississippi, New York, and Wyoming.

You can get more information about Dr. Das and read some of this writings on patent law at