Ms. Hansen has more than 25 years of experience in complex litigation. She has tried dozens of cases, and has been lead counsel in class actions and multi-party litigation. She successfully defended one of two defendants in a lawsuit involving hundreds of thousands of claimants and preliminary damage estimates exceeding several billion dollars. Her work has involved various industries, including water treatment, construction materials, automotive, and medical equipment. Ms. Hansen also counsels clients concerning their patent rights, assists clients in license negotiations and drafts patent opinions.

Ms. Hansen has lectured on a variety of subjects in the field of intellectual property and has authored a chapter on patent law in a textbook related to water treatment. She has served as adjunct faculty at Marquette University Law School, and as a teaching assistant in the Bioethics Department at the Medical College of Wisconsin.

In 1977, Ms. Hansen graduated from the University of Wisconsin, Eau Claire, with a degree in physics and mathematics. She worked as an engineer before graduating from the University of Wisconsin Law School in 1981. She is licensed to practice in Wisconsin and before the U.S. Supreme Court, the U.S. Courts of Appeal for the Federal Circuit and Seventh Circuit, and Federal District Courts for the Eastern and Western Districts of Wisconsin, the Northern District of Illinois, and the District of Nebraska. She is also licensed to practice before the U.S. Patent and Trademark Office.