Catherine Witczak



Catherine Witczak is an associate and intellectual property lawyer with Foley & Lardner LLP and a member of the firm’s Mechanical & Electromechanical Technologies Practice.

Prior to her legal career, Ms. Witczak worked six years as a patent examiner at the U.S. Patent and Trademark Office, where she examined patent applications related to a variety of medical devices. Ms. Witczak uses the insights and understandings gained through this first-hand exposure to USPTO patent examination procedures and policies to complement her patent practice, which extends to all stages of domestic and international patent procurement; non-infringement freedom-to-operate and invalidity analysis; litigation support; and counseling on a variety of patent related issues.


Ms. Witczak received her law degree from the University of Wisconsin Law School (J.D., 2015).

Ms. Witczak graduated from Johns Hopkins University with a Master of Science degree in biotechnology, with a concentration in regulatory affairs (M.S., 2009). She also graduated from the University of Pennsylvania where she received a Bachelor of Science degree in bioengineering with a minor in mathematics (B.S., 2005).


Ms. Witczak is admitted to practice in Wisconsin and the United States Patent and Trademark Office.


Ms. Witczak is fluent in Polish, conversational in Spanish, and has a working knowledge of Portuguese.