Enrique Perez

e-mail: Enrique.Perez@mfgip.com
phone: 630-286-7636

Enrique possesses twenty years of experience in intellectual property law, specializing in complex domestic and international patent prosecution and patent-related client counseling. He additionally provides non-infringement and invalidity opinions, clearance and strategy opinions, and has litigated patent infringement cases.

Enrique has represented high-tech manufacturers and service providers, and is a direct, hands-on patent attorney with the proven ability to prepare high quality patent applications involving sophisticated electronic, software and mechanical technologies with minimal impact on inventors.

Enrique’s patent prosecution and counseling skills are complimented by his extensive and diverse patent litigation experience. He represents both patent owners and accused infringers in litigation, and conducts pre-litigation analyses, claim construction opinions and related patent-litigation evaluations. Additionally, he is adept at issuing client opinions, providing insight on infringement and validity issues, as well as freedom to design around opinions.

Enrique’s clients include large and small firms involved in telecommunications, medical technologies, aerospace and aeronautics, computer hardware, navigation technologies, semiconductor design and software. Enrique serves each of his clients by gaining an understanding their technology, area of industry and business objectives. He provides his clients with diligent support, crafting effective strategies to protect key intellectual property assets.

Enrique acquired expertise in electrical and software technologies as an engineer at two Fortune 500 companies. Prior to practicing law, he served as an engineer with Abbott Laboratories for over seven years, developing embedded software systems in diagnostic medical equipment. Enrique also served as a hardware engineer at Honeywell International, designing hardware for fire safety, security, and building automation systems.

Enrique previously served as a partner at McDonnell Boehnen Hulbert & Berghoff LLP (Chicago), one of the city’s largest intellectual property boutique firms. He also practiced at Sonnenschein Nath & Rosenthal (Chicago), a full-service national firm with over 800 attorneys; and Brinks Hofer Gilson & Lione (Chicago).

Enrique has also served as a pro bono advocate, successfully representing two immigrants seeking asylum in the United States before the Immigration Court of the Executive Office for Immigration Review in Chicago and before the U.S. Court of Appeals for the Seventh Circuit.


J.D. – IIT Chicago-Kent College of Law
M.S.E.E. – Illinois Institute of Technology
B.S. E.E. – Northwestern University

Bar Admissions

State of Illinois
U.S. District Court, Northern District of Illinois
U.S. Court of Appeals, Seventh Circuit
U.S. Patent and Trademark Office

Professional Associations

Intellectual Property Owners Association (IPO)