Betsy J. Derwinski

Betsy Derwinski focuses on U.S. and foreign patent application preparation and prosecution, currently devoting a significant portion of her practice to leading athletic footwear and apparel manufacturers. Betsy also has extensive experience in medical devices, surgical equipment and methods of use, including cardiovascular devices and products used in reproductive health technology.  In addition to patent application preparation and prosecution, she provides patentability, validity and infringement analyses and opinions, and counsels clients on patent portfolio management and strategic planning.

Betsy develops a thorough understanding of a client’s business and the industries in which they operate. This allows her to craft tailored solutions that provide the broadest possible patent protection for a client’s crucial innovations with an eye to the specific competitive environment they face.

Always thinking forward, Betsy understands that every case is unique and is part of the broader picture that is her client’s current and future business success.

  • J.D.,
    DePaul University College of Law, 2004
  • B.S., Biology and Chemistry
    William & Mary, 2001
Bar Admissions
  • Colorado
  • Illinois
  • U.S. Dist. Court, N.D. Illinois
  • U.S. Patent & Trademark Office
Technical Background
  • Biochemistry
  • Biopharma
Experience | Legal Experience

Brinks Gilson & Lione, Chicago, Illinois

Cook Alex Ltd., Chicago, Illinois
Shareholder, 2011-2012
Associate, 2004-2010


"The Incredible Shrinking Patent World: Protecting Medical Device Patents in Light of Increasingly Strict § 101 Patentability Standards," American Conference Institute 4th Advanced Summit on Medical Device Patents, Chicago, March 24, 2014

Representative Matters
  • Secured patent protection for innovations in cardiac and vessel repair that have resulted in major advances in surgical procedures and outcomes.

  • Manages the patent portfolio for a large athletic apparel manufacturer, particularly involving innovative new materials, designs and technologies that are redefining the category.

Press Releases & Events
March 24, 2014
On March 24, Bradley G. Lane and Betsy J. Derwinski will be speaking at ACI's 4th Advanced Summit on Medical Device Patents: Comprehensive and Practical Patent Prosecution and Litigation Strategies for an Evolving IP Landscape, in Chicago, ...
October 01, 2012
CHICAGO – Brinks Gilson & Lione, one of the largest intellectual property law firms in the United States, has announced the addition of six legal professionals in its Chicago office: Betsy J. Derwinski, Eric D. Babych, James G. DeRouin, ...
  • Chicago Bar Association
  • Intellectual Property Law Association of Chicago, Board of Managers