Ideas. Owned.®
Chris Hansen, patent attorney at Patterson Thuente IP

Christian J. Hansen

Partner – Patent Attorney

Chris Hansen handles patent preparation and prosecution for clients in the aerospace, agricultural, medical device, mechanical, oil and gas, and robotics industries. Chris also routinely conducts prior art reviews, drafts freedom-to-operate and product clearance opinions and prepares license agreements.

As a patent attorney, Chris assists companies, both large and small, as they navigate the often crowded IP landscape in order to establish a position that aligns with their business objectives. He has worked with several startup companies, whose success in raising capital for future growth was supported by their strong IP portfolios.

Chris has drafted, filed and successfully prosecuted well over 250 utility and design patents on a wide array of technologies. He routinely assists his clients in obtaining international IP protection in countries such as Australia, Brazil, Canada, China, countries within the European Patent Convention, India, Japan, Mexico, Korea, Russia and Singapore, as well as within South America.

Professional Experience

Early in his career, Chris worked as an engineer in an aluminum and magnesium foundry where he was involved in the production of aircraft components. He later joined the United States Navy, where he served his country as a pilot, flying the MH-60S “Knighthawk” helicopter and the C-26D “Metroliner” twin-engine passenger/cargo transport aircraft. His missions primarily included Navy Seal insertion/extraction, reconnaissance and logistics support. While serving in the military, Chris was credited with the rescue of six individuals, including one fellow service member.

Representative Technologies

  • Aerospace
  • Agricultural implements
  • Catheters and vascular access devices
  • Computer software and mobile device (iPhone) applications
  • Consumer products
  • Diabetes therapy
  • Electrostimulation devices
  • Implantable pumps
  • Internal combustion engines
  • Manufacturing
  • Medical infusion pumps
  • Metallurgy
  • Oil and gas exploration and processing
  • Orthotic devices
  • Robotics
  • Semiconductor fabrication
  • Spinal implants and procedures
  • Turbine engines

Practice Areas

  • Patents


  • William Mitchell College of Law, St. Paul, Minnesota
    • Honors: magna cum laude
    • William Mitchell Law Review,
  • University of Minnesota
    • B.S., Mechanical Engineering – 1998


  • Realties and Rewards: A Startup’s Guide to the Patent Process, October 2019
  • Design patents provide another layer of invention protection, Ideas on Intellectual Property Law, June/July 2019
  • Statutory Construction and Policy Arguments for a Symmetric Approach to Promulgating Guidelines for New Section 102(b) Subparagraphs (A) and (B) – the First-to-Publish Grace Period Exceptions to Prior Art, Cybaris: An Intellectual Property Law Review, Vol. 4, Issue 1, Spring 2013
  • Case Note: Innovations to Historic Legal Traditions—Jackson v. Mortgage Electronic Registration Systems, 37 William Mitchell Law Review, 355, 2010

Professional Associations

  • American Intellectual Property Law Association
  • Minnesota Intellectual Property Law Association
  • American Bar Association
  • Minnesota State Bar Association
  • Honorable Jimmie V. Reyna IP Inn of Courts

Bar Admissions

  • Minnesota Supreme Court
  • U.S. Patent and Trademark Office
  • U.S. District Court District of Minnesota
  • U.S. Court of Appeals 8th Circuit

Past Positions

  • United States Navy, Pilot