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Leland G. Hansen


Leland G. Hansen has extensive experience in intellectual property litigation involving patents, trademarks, copyrights, trade secrets, unfair competition, and antitrust claims.  Leland has served as lead counsel before federal district courts, the International Trade Commission, and the Federal Circuit Court of Appeals, and in contested proceedings at the United States Patent and Trademark Office, including reexamination and inter partes review.  Leland also has served as lead counsel in the context of alternative dispute resolution such as mediation and binding arbitration, both domestically and internationally.

In addition, Leland advises clients on transactional matters such as contract negotiation and due diligence for mergers and acquisitions and assists clients in valuing intellectual property portfolios and in strategic planning for portfolio development.

Leland's practice spans a wide variety of technologies including medical devices, biopharmaceuticals, angioplasty catheters and stents, antibody engineering, surgical equipment, nutritional supplements, contraceptive devices, cell expression systems, air conditioning equipment, cable modems, broadband communications, truck trailers, hearing aids, papermaking machines, railcars, refuse collection vehicles, and combustion systems.

Areas of Practice


Bar Admissions / Registrations

  • Illinois
  • U.S. District Court for the Northern District of Illinois
  • U.S. District Court for the Western District of Michigan
  • U.S. District Court for the Western District of Wisconsin
  • U.S. Courts of Appeals for the Federal Circuit
  • U.S. Patent and Trademark Office


  • University of Chicago, J.D.
  • Brigham Young University, B.S., with highest university honors