William McCracken’s career spans more than 30 years assisting companies of all sizes in identifying, protecting, and exploiting their technologies and proprietary processes. Bill has focused his intellectual property practice on patent, trade secret, and trademark litigation, and he has also participated in the preparation and prosecution of hundreds of patent applications in the electrical, electro-mechanical, software, and mechanical arts.

In addition to his litigation experience in Federal Court, Bill has experience representing and counseling clients in post grant matters such as inter partes review (IPR) proceedings before the Patent Trial and Appeal Board (PTAB).

Bill’s experience has not only included defense of clients but also enforcement of their IP rights. Using his business acumen, he has counseled clients in creating value from their intellectual property by designing sophisticated licensing programs and joint venture initiatives.

Bill’s clients include Fortune 500® companies and privately held multi-national corporations engaged in a variety of technologies. Bill also has extensive experience in the preparation of patent opinions, licensing agreements, confidentiality and non-disclosure agreements, trademark opinions, applications for trademark registration, and other IP enforcement actions.

Prior to forming McCracken & Gillen, Bill had been a partner at three prestigious Chicago intellectual property firms where he engaged in significant competitive analyses in a broad range of technological competencies.


J.D., Loyola University School of Law

B.S., Electrical Engineering, University of Illinois at Urbana-Champaign

Bar Admissions

State of Illinois

U.S. District Court, Northern District of Illinois

U.S. District Court, Southern District of Illinois

U.S. District Court, Western District of Michigan

U.S. Court of Appeals, Seventh Circuit

U.S. Court of Appeals, Federal Circuit

U.S. Patent and Trademark Office including the Patent Trial and Appeal Board