Clark S. Stone, specializes in litigation relating to patents, trademarks, Internet privacy, trade secrets, and business disputes, in both federal and state courts. He has handled cases involving semiconductor devices and processing, patent licenses, commercial contracts, online trademark issues, software copyrights, and electronic mail. Mr. Stone is admitted to practice before all state and federal courts in California, the Ninth Circuit Court of Appeals and the Court of Appeals for the Federal Circuit.

Prior to becoming an attorney, Mr. Stone worked in both technical and managerial positions for various semiconductor manufacturing equipment companies, including Applied Materials, Inc., and Novellus Systems, Inc. He has an extensive knowledge of semiconductor devices and manufacturing techniques, plasma etching and deposition, and Internet-related technologies. Mr. Stone has also served as a Judicial Extern and Law Clerk for the Hon. James Ware, Judge of the United States District Court for the Northern District of California.

Clark Stone is resident in the firm's San Jose office.

Email: cstone@macpherson-kwok.com

Representative Accomplishments:

  • Knowledge of semiconductor manufacturing techniques assisted client in successfully defending charge of patent infringement
  • Defended one of the first cases brought under California's Internet "anti-spam" law, Business and Professions Code ¤17538.45, obtaining a favorable settlement for client
  • Member of trial team which successfully represented a semiconductor device company in a three-week hearing before the International Trade Commission in Washington, D.C.
  • Negotiated a favorable settlement for the client as the petitioner in a trademark cancellation action before the United States Trademark Trial and Appeals Board
Professional Affiliations:
  • State Bar of California
  • American Bar Association
  • Federal Bar Association
  • Santa Clara County Bar Association
Education:
  • The University of Phoenix (San Jose, CA) B.S., Business Administration
  • Santa Clara University School of Law, J.D.


Any person who “invents or discovers any new and useful process, machine, manufacture, or composition of matter,
or any new and useful improvement thereof, may obtain a patent." - United States Patent & Trademark Office
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